Home / 91,842.48-137,632.28-52,317.93

Finding the Fourth Proportional to 91,842.48, 137,632.28 and 52,317.93

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Solution

The fourth proportional to 91,842.48, 137,632.28 and 52,317.93 is: 78,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,842.48 : 137,632.28 = 52,317.93 : x
  2. Step 2: Convert to fraction form
    91,842.48/137,632.28 = 52,317.93/x
  3. Step 3: Cross multiply
    91,842.48x = 137,632.28 × 52,317.93
  4. Step 4: Simplify right side
    91,842.48x = 7,200,635,729.19
  5. Step 5: Solve for x
    x = 7,200,635,729.19/91,842.48
  6. Step 6: Final answer
    x = 78,402.02

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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.