Home / 89,851.36-124,034.75-58,035.78

Finding the Fourth Proportional to 89,851.36, 124,034.75 and 58,035.78

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Solution

The fourth proportional to 89,851.36, 124,034.75 and 58,035.78 is: 80,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.36 : 124,034.75 = 58,035.78 : x
  2. Step 2: Convert to fraction form
    89,851.36/124,034.75 = 58,035.78/x
  3. Step 3: Cross multiply
    89,851.36x = 124,034.75 × 58,035.78
  4. Step 4: Simplify right side
    89,851.36x = 7,198,453,463.36
  5. Step 5: Solve for x
    x = 7,198,453,463.36/89,851.36
  6. Step 6: Final answer
    x = 80,115.13

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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.