Home / 45,825.10-68,737.65-42,909.10

Finding the Fourth Proportional to 45,825.10, 68,737.65 and 42,909.10

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Solution

The fourth proportional to 45,825.10, 68,737.65 and 42,909.10 is: 64,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.10 : 68,737.65 = 42,909.10 : x
  2. Step 2: Convert to fraction form
    45,825.10/68,737.65 = 42,909.10/x
  3. Step 3: Cross multiply
    45,825.10x = 68,737.65 × 42,909.10
  4. Step 4: Simplify right side
    45,825.10x = 2,949,470,697.62
  5. Step 5: Solve for x
    x = 2,949,470,697.62/45,825.10
  6. Step 6: Final answer
    x = 64,363.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.