Home / 99,125.71-136,793.63-53,803.69

Finding the Fourth Proportional to 99,125.71, 136,793.63 and 53,803.69

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Solution

The fourth proportional to 99,125.71, 136,793.63 and 53,803.69 is: 74,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,125.71 : 136,793.63 = 53,803.69 : x
  2. Step 2: Convert to fraction form
    99,125.71/136,793.63 = 53,803.69/x
  3. Step 3: Cross multiply
    99,125.71x = 136,793.63 × 53,803.69
  4. Step 4: Simplify right side
    99,125.71x = 7,360,002,062.49
  5. Step 5: Solve for x
    x = 7,360,002,062.49/99,125.71
  6. Step 6: Final answer
    x = 74,249.17

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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.