Home / 88,177.79-121,686.23-47,891.93

Finding the Fourth Proportional to 88,177.79, 121,686.23 and 47,891.93

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Solution

The fourth proportional to 88,177.79, 121,686.23 and 47,891.93 is: 66,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.79 : 121,686.23 = 47,891.93 : x
  2. Step 2: Convert to fraction form
    88,177.79/121,686.23 = 47,891.93/x
  3. Step 3: Cross multiply
    88,177.79x = 121,686.23 × 47,891.93
  4. Step 4: Simplify right side
    88,177.79x = 5,827,788,409.12
  5. Step 5: Solve for x
    x = 5,827,788,409.12/88,177.79
  6. Step 6: Final answer
    x = 66,091.34

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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.