Home / 99,217.95-136,923.23-53,895.92

Finding the Fourth Proportional to 99,217.95, 136,923.23 and 53,895.92

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Solution

The fourth proportional to 99,217.95, 136,923.23 and 53,895.92 is: 74,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.95 : 136,923.23 = 53,895.92 : x
  2. Step 2: Convert to fraction form
    99,217.95/136,923.23 = 53,895.92/x
  3. Step 3: Cross multiply
    99,217.95x = 136,923.23 × 53,895.92
  4. Step 4: Simplify right side
    99,217.95x = 7,379,602,900.35
  5. Step 5: Solve for x
    x = 7,379,602,900.35/99,217.95
  6. Step 6: Final answer
    x = 74,377.70

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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.