Home / 78,000.35-107,631.23-44,006.86

Finding the Fourth Proportional to 78,000.35, 107,631.23 and 44,006.86

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Solution

The fourth proportional to 78,000.35, 107,631.23 and 44,006.86 is: 60,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,000.35 : 107,631.23 = 44,006.86 : x
  2. Step 2: Convert to fraction form
    78,000.35/107,631.23 = 44,006.86/x
  3. Step 3: Cross multiply
    78,000.35x = 107,631.23 × 44,006.86
  4. Step 4: Simplify right side
    78,000.35x = 4,736,512,311.18
  5. Step 5: Solve for x
    x = 4,736,512,311.18/78,000.35
  6. Step 6: Final answer
    x = 60,724.24

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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.