Home / 63,153.38-87,151.67-34,859.07

Finding the Fourth Proportional to 63,153.38, 87,151.67 and 34,859.07

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Solution

The fourth proportional to 63,153.38, 87,151.67 and 34,859.07 is: 48,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.38 : 87,151.67 = 34,859.07 : x
  2. Step 2: Convert to fraction form
    63,153.38/87,151.67 = 34,859.07/x
  3. Step 3: Cross multiply
    63,153.38x = 87,151.67 × 34,859.07
  4. Step 4: Simplify right side
    63,153.38x = 3,038,025,990.85
  5. Step 5: Solve for x
    x = 3,038,025,990.85/63,153.38
  6. Step 6: Final answer
    x = 48,105.52

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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.