Home / 83,830.02-125,470.14-45,821.07

Finding the Fourth Proportional to 83,830.02, 125,470.14 and 45,821.07

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Solution

The fourth proportional to 83,830.02, 125,470.14 and 45,821.07 is: 68,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.02 : 125,470.14 = 45,821.07 : x
  2. Step 2: Convert to fraction form
    83,830.02/125,470.14 = 45,821.07/x
  3. Step 3: Cross multiply
    83,830.02x = 125,470.14 × 45,821.07
  4. Step 4: Simplify right side
    83,830.02x = 5,749,176,024.89
  5. Step 5: Solve for x
    x = 5,749,176,024.89/83,830.02
  6. Step 6: Final answer
    x = 68,581.35

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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.