Home / 90,186.76-124,403.51-59,560.13

Finding the Fourth Proportional to 90,186.76, 124,403.51 and 59,560.13

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Solution

The fourth proportional to 90,186.76, 124,403.51 and 59,560.13 is: 82,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,186.76 : 124,403.51 = 59,560.13 : x
  2. Step 2: Convert to fraction form
    90,186.76/124,403.51 = 59,560.13/x
  3. Step 3: Cross multiply
    90,186.76x = 124,403.51 × 59,560.13
  4. Step 4: Simplify right side
    90,186.76x = 7,409,489,687.97
  5. Step 5: Solve for x
    x = 7,409,489,687.97/90,186.76
  6. Step 6: Final answer
    x = 82,157.18

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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.