Home / 86,060.12-118,749.02-53,790.92

Finding the Fourth Proportional to 86,060.12, 118,749.02 and 53,790.92

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Solution

The fourth proportional to 86,060.12, 118,749.02 and 53,790.92 is: 74,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.12 : 118,749.02 = 53,790.92 : x
  2. Step 2: Convert to fraction form
    86,060.12/118,749.02 = 53,790.92/x
  3. Step 3: Cross multiply
    86,060.12x = 118,749.02 × 53,790.92
  4. Step 4: Simplify right side
    86,060.12x = 6,387,619,034.90
  5. Step 5: Solve for x
    x = 6,387,619,034.90/86,060.12
  6. Step 6: Final answer
    x = 74,222.75

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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.