Home / 98,407.47-135,798.39-58,134.17

Finding the Fourth Proportional to 98,407.47, 135,798.39 and 58,134.17

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Solution

The fourth proportional to 98,407.47, 135,798.39 and 58,134.17 is: 80,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,407.47 : 135,798.39 = 58,134.17 : x
  2. Step 2: Convert to fraction form
    98,407.47/135,798.39 = 58,134.17/x
  3. Step 3: Cross multiply
    98,407.47x = 135,798.39 × 58,134.17
  4. Step 4: Simplify right side
    98,407.47x = 7,894,526,010.99
  5. Step 5: Solve for x
    x = 7,894,526,010.99/98,407.47
  6. Step 6: Final answer
    x = 80,222.83

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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.