Home / 88,182.81-121,693.16-47,897.36

Finding the Fourth Proportional to 88,182.81, 121,693.16 and 47,897.36

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Solution

The fourth proportional to 88,182.81, 121,693.16 and 47,897.36 is: 66,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.81 : 121,693.16 = 47,897.36 : x
  2. Step 2: Convert to fraction form
    88,182.81/121,693.16 = 47,897.36/x
  3. Step 3: Cross multiply
    88,182.81x = 121,693.16 × 47,897.36
  4. Step 4: Simplify right side
    88,182.81x = 5,828,780,246.11
  5. Step 5: Solve for x
    x = 5,828,780,246.11/88,182.81
  6. Step 6: Final answer
    x = 66,098.83

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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.