Home / 74,200.60-102,432.29-42,363.35

Finding the Fourth Proportional to 74,200.60, 102,432.29 and 42,363.35

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Solution

The fourth proportional to 74,200.60, 102,432.29 and 42,363.35 is: 58,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.60 : 102,432.29 = 42,363.35 : x
  2. Step 2: Convert to fraction form
    74,200.60/102,432.29 = 42,363.35/x
  3. Step 3: Cross multiply
    74,200.60x = 102,432.29 × 42,363.35
  4. Step 4: Simplify right side
    74,200.60x = 4,339,374,952.57
  5. Step 5: Solve for x
    x = 4,339,374,952.57/74,200.60
  6. Step 6: Final answer
    x = 58,481.67

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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.