Home / 74,666.18-103,039.32-41,132.18

Finding the Fourth Proportional to 74,666.18, 103,039.32 and 41,132.18

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Solution

The fourth proportional to 74,666.18, 103,039.32 and 41,132.18 is: 56,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.18 : 103,039.32 = 41,132.18 : x
  2. Step 2: Convert to fraction form
    74,666.18/103,039.32 = 41,132.18/x
  3. Step 3: Cross multiply
    74,666.18x = 103,039.32 × 41,132.18
  4. Step 4: Simplify right side
    74,666.18x = 4,238,231,342.12
  5. Step 5: Solve for x
    x = 4,238,231,342.12/74,666.18
  6. Step 6: Final answer
    x = 56,762.40

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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.