Home / 76,247.77-105,211.95-42,254.62

Finding the Fourth Proportional to 76,247.77, 105,211.95 and 42,254.62

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Solution

The fourth proportional to 76,247.77, 105,211.95 and 42,254.62 is: 58,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,247.77 : 105,211.95 = 42,254.62 : x
  2. Step 2: Convert to fraction form
    76,247.77/105,211.95 = 42,254.62/x
  3. Step 3: Cross multiply
    76,247.77x = 105,211.95 × 42,254.62
  4. Step 4: Simplify right side
    76,247.77x = 4,445,690,966.71
  5. Step 5: Solve for x
    x = 4,445,690,966.71/76,247.77
  6. Step 6: Final answer
    x = 58,305.85

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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.