Home / 83,133.90-124,750.02-30,580.26

Finding the Fourth Proportional to 83,133.90, 124,750.02 and 30,580.26

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Solution

The fourth proportional to 83,133.90, 124,750.02 and 30,580.26 is: 45,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.90 : 124,750.02 = 30,580.26 : x
  2. Step 2: Convert to fraction form
    83,133.90/124,750.02 = 30,580.26/x
  3. Step 3: Cross multiply
    83,133.90x = 124,750.02 × 30,580.26
  4. Step 4: Simplify right side
    83,133.90x = 3,814,888,046.61
  5. Step 5: Solve for x
    x = 3,814,888,046.61/83,133.90
  6. Step 6: Final answer
    x = 45,888.48

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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.