Home / 66,341.05-99,550.45-47,600.89

Finding the Fourth Proportional to 66,341.05, 99,550.45 and 47,600.89

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Solution

The fourth proportional to 66,341.05, 99,550.45 and 47,600.89 is: 71,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.05 : 99,550.45 = 47,600.89 : x
  2. Step 2: Convert to fraction form
    66,341.05/99,550.45 = 47,600.89/x
  3. Step 3: Cross multiply
    66,341.05x = 99,550.45 × 47,600.89
  4. Step 4: Simplify right side
    66,341.05x = 4,738,690,019.90
  5. Step 5: Solve for x
    x = 4,738,690,019.90/66,341.05
  6. Step 6: Final answer
    x = 71,429.23

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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.