Home / 74,677.29-103,053.43-40,686.18

Finding the Fourth Proportional to 74,677.29, 103,053.43 and 40,686.18

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Solution

The fourth proportional to 74,677.29, 103,053.43 and 40,686.18 is: 56,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.29 : 103,053.43 = 40,686.18 : x
  2. Step 2: Convert to fraction form
    74,677.29/103,053.43 = 40,686.18/x
  3. Step 3: Cross multiply
    74,677.29x = 103,053.43 × 40,686.18
  4. Step 4: Simplify right side
    74,677.29x = 4,192,850,402.60
  5. Step 5: Solve for x
    x = 4,192,850,402.60/74,677.29
  6. Step 6: Final answer
    x = 56,146.26

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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.