Home / 52,431.85-72,359.36-31,208.23

Finding the Fourth Proportional to 52,431.85, 72,359.36 and 31,208.23

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Solution

The fourth proportional to 52,431.85, 72,359.36 and 31,208.23 is: 43,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.85 : 72,359.36 = 31,208.23 : x
  2. Step 2: Convert to fraction form
    52,431.85/72,359.36 = 31,208.23/x
  3. Step 3: Cross multiply
    52,431.85x = 72,359.36 × 31,208.23
  4. Step 4: Simplify right side
    52,431.85x = 2,258,207,549.53
  5. Step 5: Solve for x
    x = 2,258,207,549.53/52,431.85
  6. Step 6: Final answer
    x = 43,069.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.