Home / 99,066.56-136,709.48-54,862.92

Finding the Fourth Proportional to 99,066.56, 136,709.48 and 54,862.92

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Solution

The fourth proportional to 99,066.56, 136,709.48 and 54,862.92 is: 75,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066.56 : 136,709.48 = 54,862.92 : x
  2. Step 2: Convert to fraction form
    99,066.56/136,709.48 = 54,862.92/x
  3. Step 3: Cross multiply
    99,066.56x = 136,709.48 × 54,862.92
  4. Step 4: Simplify right side
    99,066.56x = 7,500,281,264.48
  5. Step 5: Solve for x
    x = 7,500,281,264.48/99,066.56
  6. Step 6: Final answer
    x = 75,709.52

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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.