Home / 91,052.51-136,597.19-31,929.80

Finding the Fourth Proportional to 91,052.51, 136,597.19 and 31,929.80

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Solution

The fourth proportional to 91,052.51, 136,597.19 and 31,929.80 is: 47,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,052.51 : 136,597.19 = 31,929.80 : x
  2. Step 2: Convert to fraction form
    91,052.51/136,597.19 = 31,929.80/x
  3. Step 3: Cross multiply
    91,052.51x = 136,597.19 × 31,929.80
  4. Step 4: Simplify right side
    91,052.51x = 4,361,520,114.63
  5. Step 5: Solve for x
    x = 4,361,520,114.63/91,052.51
  6. Step 6: Final answer
    x = 47,901.15

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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.