Home / 88,242.06-121,654.80-59,898.54

Finding the Fourth Proportional to 88,242.06, 121,654.80 and 59,898.54

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Solution

The fourth proportional to 88,242.06, 121,654.80 and 59,898.54 is: 82,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,242.06 : 121,654.80 = 59,898.54 : x
  2. Step 2: Convert to fraction form
    88,242.06/121,654.80 = 59,898.54/x
  3. Step 3: Cross multiply
    88,242.06x = 121,654.80 × 59,898.54
  4. Step 4: Simplify right side
    88,242.06x = 7,286,944,903.99
  5. Step 5: Solve for x
    x = 7,286,944,903.99/88,242.06
  6. Step 6: Final answer
    x = 82,579.04

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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.