Home / 74,225.50-102,428.45-40,233.26

Finding the Fourth Proportional to 74,225.50, 102,428.45 and 40,233.26

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Solution

The fourth proportional to 74,225.50, 102,428.45 and 40,233.26 is: 55,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,225.50 : 102,428.45 = 40,233.26 : x
  2. Step 2: Convert to fraction form
    74,225.50/102,428.45 = 40,233.26/x
  3. Step 3: Cross multiply
    74,225.50x = 102,428.45 × 40,233.26
  4. Step 4: Simplify right side
    74,225.50x = 4,121,029,746.94
  5. Step 5: Solve for x
    x = 4,121,029,746.94/74,225.50
  6. Step 6: Final answer
    x = 55,520.40

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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.