Home / 74,522.13-102,842.15-40,988.13

Finding the Fourth Proportional to 74,522.13, 102,842.15 and 40,988.13

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Solution

The fourth proportional to 74,522.13, 102,842.15 and 40,988.13 is: 56,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.13 : 102,842.15 = 40,988.13 : x
  2. Step 2: Convert to fraction form
    74,522.13/102,842.15 = 40,988.13/x
  3. Step 3: Cross multiply
    74,522.13x = 102,842.15 × 40,988.13
  4. Step 4: Simplify right side
    74,522.13x = 4,215,307,413.68
  5. Step 5: Solve for x
    x = 4,215,307,413.68/74,522.13
  6. Step 6: Final answer
    x = 56,564.51

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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.