Home / 113,003.68-155,946-62,703.52

Finding the Fourth Proportional to 113,003.68, 155,946 and 62,703.52

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Solution

The fourth proportional to 113,003.68, 155,946 and 62,703.52 is: 86,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,003.68 : 155,946 = 62,703.52 : x
  2. Step 2: Convert to fraction form
    113,003.68/155,946 = 62,703.52/x
  3. Step 3: Cross multiply
    113,003.68x = 155,946 × 62,703.52
  4. Step 4: Simplify right side
    113,003.68x = 9,778,363,129.92
  5. Step 5: Solve for x
    x = 9,778,363,129.92/113,003.68
  6. Step 6: Final answer
    x = 86,531.37

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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.