Home / 52,345.50-72,266.37-40,057.81

Finding the Fourth Proportional to 52,345.50, 72,266.37 and 40,057.81

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Solution

The fourth proportional to 52,345.50, 72,266.37 and 40,057.81 is: 55,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.50 : 72,266.37 = 40,057.81 : x
  2. Step 2: Convert to fraction form
    52,345.50/72,266.37 = 40,057.81/x
  3. Step 3: Cross multiply
    52,345.50x = 72,266.37 × 40,057.81
  4. Step 4: Simplify right side
    52,345.50x = 2,894,832,518.85
  5. Step 5: Solve for x
    x = 2,894,832,518.85/52,345.50
  6. Step 6: Final answer
    x = 55,302.41

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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.