Home / 45,349.36-68,059.46-31,407.10

Finding the Fourth Proportional to 45,349.36, 68,059.46 and 31,407.10

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Solution

The fourth proportional to 45,349.36, 68,059.46 and 31,407.10 is: 47,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.36 : 68,059.46 = 31,407.10 : x
  2. Step 2: Convert to fraction form
    45,349.36/68,059.46 = 31,407.10/x
  3. Step 3: Cross multiply
    45,349.36x = 68,059.46 × 31,407.10
  4. Step 4: Simplify right side
    45,349.36x = 2,137,549,768.83
  5. Step 5: Solve for x
    x = 2,137,549,768.83/45,349.36
  6. Step 6: Final answer
    x = 47,135.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.