Home / 99,223.08-136,923.91-58,935.78

Finding the Fourth Proportional to 99,223.08, 136,923.91 and 58,935.78

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Solution

The fourth proportional to 99,223.08, 136,923.91 and 58,935.78 is: 81,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,223.08 : 136,923.91 = 58,935.78 : x
  2. Step 2: Convert to fraction form
    99,223.08/136,923.91 = 58,935.78/x
  3. Step 3: Cross multiply
    99,223.08x = 136,923.91 × 58,935.78
  4. Step 4: Simplify right side
    99,223.08x = 8,069,717,436.50
  5. Step 5: Solve for x
    x = 8,069,717,436.50/99,223.08
  6. Step 6: Final answer
    x = 81,329.04

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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.