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Finding the Fourth Proportional to 77,854.47, 116,685.33 and 55,329.22

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Solution

The fourth proportional to 77,854.47, 116,685.33 and 55,329.22 is: 82,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.47 : 116,685.33 = 55,329.22 : x
  2. Step 2: Convert to fraction form
    77,854.47/116,685.33 = 55,329.22/x
  3. Step 3: Cross multiply
    77,854.47x = 116,685.33 × 55,329.22
  4. Step 4: Simplify right side
    77,854.47x = 6,456,108,617.51
  5. Step 5: Solve for x
    x = 6,456,108,617.51/77,854.47
  6. Step 6: Final answer
    x = 82,925.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.