Home / 90,220.06-124,505.67-58,444.21

Finding the Fourth Proportional to 90,220.06, 124,505.67 and 58,444.21

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Solution

The fourth proportional to 90,220.06, 124,505.67 and 58,444.21 is: 80,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.06 : 124,505.67 = 58,444.21 : x
  2. Step 2: Convert to fraction form
    90,220.06/124,505.67 = 58,444.21/x
  3. Step 3: Cross multiply
    90,220.06x = 124,505.67 × 58,444.21
  4. Step 4: Simplify right side
    90,220.06x = 7,276,635,523.67
  5. Step 5: Solve for x
    x = 7,276,635,523.67/90,220.06
  6. Step 6: Final answer
    x = 80,654.30

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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.