Home / 86,403.28-119,191.02-59,499.16

Finding the Fourth Proportional to 86,403.28, 119,191.02 and 59,499.16

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Solution

The fourth proportional to 86,403.28, 119,191.02 and 59,499.16 is: 82,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.28 : 119,191.02 = 59,499.16 : x
  2. Step 2: Convert to fraction form
    86,403.28/119,191.02 = 59,499.16/x
  3. Step 3: Cross multiply
    86,403.28x = 119,191.02 × 59,499.16
  4. Step 4: Simplify right side
    86,403.28x = 7,091,765,569.54
  5. Step 5: Solve for x
    x = 7,091,765,569.54/86,403.28
  6. Step 6: Final answer
    x = 82,077.50

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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.