Home / 74,263.23-102,481.15-42,432.05

Finding the Fourth Proportional to 74,263.23, 102,481.15 and 42,432.05

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Solution

The fourth proportional to 74,263.23, 102,481.15 and 42,432.05 is: 58,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.23 : 102,481.15 = 42,432.05 : x
  2. Step 2: Convert to fraction form
    74,263.23/102,481.15 = 42,432.05/x
  3. Step 3: Cross multiply
    74,263.23x = 102,481.15 × 42,432.05
  4. Step 4: Simplify right side
    74,263.23x = 4,348,485,510.54
  5. Step 5: Solve for x
    x = 4,348,485,510.54/74,263.23
  6. Step 6: Final answer
    x = 58,555.03

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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.