Home / 88,484.40-122,133.56-58,291.76

Finding the Fourth Proportional to 88,484.40, 122,133.56 and 58,291.76

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Solution

The fourth proportional to 88,484.40, 122,133.56 and 58,291.76 is: 80,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,484.40 : 122,133.56 = 58,291.76 : x
  2. Step 2: Convert to fraction form
    88,484.40/122,133.56 = 58,291.76/x
  3. Step 3: Cross multiply
    88,484.40x = 122,133.56 × 58,291.76
  4. Step 4: Simplify right side
    88,484.40x = 7,119,380,167.47
  5. Step 5: Solve for x
    x = 7,119,380,167.47/88,484.40
  6. Step 6: Final answer
    x = 80,459.16

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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.