Home / 74,060.20-102,205.50-40,526.20

Finding the Fourth Proportional to 74,060.20, 102,205.50 and 40,526.20

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Solution

The fourth proportional to 74,060.20, 102,205.50 and 40,526.20 is: 55,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.20 : 102,205.50 = 40,526.20 : x
  2. Step 2: Convert to fraction form
    74,060.20/102,205.50 = 40,526.20/x
  3. Step 3: Cross multiply
    74,060.20x = 102,205.50 × 40,526.20
  4. Step 4: Simplify right side
    74,060.20x = 4,142,000,534.10
  5. Step 5: Solve for x
    x = 4,142,000,534.10/74,060.20
  6. Step 6: Final answer
    x = 55,927.48

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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.