Home / 97,227.60-145,549.80-57,764.40

Finding the Fourth Proportional to 97,227.60, 145,549.80 and 57,764.40

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Solution

The fourth proportional to 97,227.60, 145,549.80 and 57,764.40 is: 86,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,227.60 : 145,549.80 = 57,764.40 : x
  2. Step 2: Convert to fraction form
    97,227.60/145,549.80 = 57,764.40/x
  3. Step 3: Cross multiply
    97,227.60x = 145,549.80 × 57,764.40
  4. Step 4: Simplify right side
    97,227.60x = 8,407,596,867.12
  5. Step 5: Solve for x
    x = 8,407,596,867.12/97,227.60
  6. Step 6: Final answer
    x = 86,473.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.