Home / 88,013.40-121,458.58-47,727.06

Finding the Fourth Proportional to 88,013.40, 121,458.58 and 47,727.06

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Solution

The fourth proportional to 88,013.40, 121,458.58 and 47,727.06 is: 65,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.40 : 121,458.58 = 47,727.06 : x
  2. Step 2: Convert to fraction form
    88,013.40/121,458.58 = 47,727.06/x
  3. Step 3: Cross multiply
    88,013.40x = 121,458.58 × 47,727.06
  4. Step 4: Simplify right side
    88,013.40x = 5,796,860,935.17
  5. Step 5: Solve for x
    x = 5,796,860,935.17/88,013.40
  6. Step 6: Final answer
    x = 65,863.39

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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.