Home / 53,761.98-74,187.33-29,887.20

Finding the Fourth Proportional to 53,761.98, 74,187.33 and 29,887.20

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Solution

The fourth proportional to 53,761.98, 74,187.33 and 29,887.20 is: 41,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.98 : 74,187.33 = 29,887.20 : x
  2. Step 2: Convert to fraction form
    53,761.98/74,187.33 = 29,887.20/x
  3. Step 3: Cross multiply
    53,761.98x = 74,187.33 × 29,887.20
  4. Step 4: Simplify right side
    53,761.98x = 2,217,251,569.18
  5. Step 5: Solve for x
    x = 2,217,251,569.18/53,761.98
  6. Step 6: Final answer
    x = 41,242.00

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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.