Home / 117,092.40-161,547.85-76,237.87

Finding the Fourth Proportional to 117,092.40, 161,547.85 and 76,237.87

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Solution

The fourth proportional to 117,092.40, 161,547.85 and 76,237.87 is: 105,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,092.40 : 161,547.85 = 76,237.87 : x
  2. Step 2: Convert to fraction form
    117,092.40/161,547.85 = 76,237.87/x
  3. Step 3: Cross multiply
    117,092.40x = 161,547.85 × 76,237.87
  4. Step 4: Simplify right side
    117,092.40x = 12,316,063,987.08
  5. Step 5: Solve for x
    x = 12,316,063,987.08/117,092.40
  6. Step 6: Final answer
    x = 105,182.44

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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.