Home / 72,006.35-99,352.85-41,774.15

Finding the Fourth Proportional to 72,006.35, 99,352.85 and 41,774.15

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Solution

The fourth proportional to 72,006.35, 99,352.85 and 41,774.15 is: 57,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006.35 : 99,352.85 = 41,774.15 : x
  2. Step 2: Convert to fraction form
    72,006.35/99,352.85 = 41,774.15/x
  3. Step 3: Cross multiply
    72,006.35x = 99,352.85 × 41,774.15
  4. Step 4: Simplify right side
    72,006.35x = 4,150,380,898.34
  5. Step 5: Solve for x
    x = 4,150,380,898.34/72,006.35
  6. Step 6: Final answer
    x = 57,639.10

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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.