Home / 86,565.12-119,465.88-48,332.19

Finding the Fourth Proportional to 86,565.12, 119,465.88 and 48,332.19

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Solution

The fourth proportional to 86,565.12, 119,465.88 and 48,332.19 is: 66,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.12 : 119,465.88 = 48,332.19 : x
  2. Step 2: Convert to fraction form
    86,565.12/119,465.88 = 48,332.19/x
  3. Step 3: Cross multiply
    86,565.12x = 119,465.88 × 48,332.19
  4. Step 4: Simplify right side
    86,565.12x = 5,774,047,610.68
  5. Step 5: Solve for x
    x = 5,774,047,610.68/86,565.12
  6. Step 6: Final answer
    x = 66,701.78

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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.