Home / 77,298.19-116,473.79-63,565.81

Finding the Fourth Proportional to 77,298.19, 116,473.79 and 63,565.81

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Solution

The fourth proportional to 77,298.19, 116,473.79 and 63,565.81 is: 95,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,298.19 : 116,473.79 = 63,565.81 : x
  2. Step 2: Convert to fraction form
    77,298.19/116,473.79 = 63,565.81/x
  3. Step 3: Cross multiply
    77,298.19x = 116,473.79 × 63,565.81
  4. Step 4: Simplify right side
    77,298.19x = 7,403,750,805.12
  5. Step 5: Solve for x
    x = 7,403,750,805.12/77,298.19
  6. Step 6: Final answer
    x = 95,781.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.