Home / 83,266.30-124,534.95-74,445.40

Finding the Fourth Proportional to 83,266.30, 124,534.95 and 74,445.40

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Solution

The fourth proportional to 83,266.30, 124,534.95 and 74,445.40 is: 111,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266.30 : 124,534.95 = 74,445.40 : x
  2. Step 2: Convert to fraction form
    83,266.30/124,534.95 = 74,445.40/x
  3. Step 3: Cross multiply
    83,266.30x = 124,534.95 × 74,445.40
  4. Step 4: Simplify right side
    83,266.30x = 9,271,054,166.73
  5. Step 5: Solve for x
    x = 9,271,054,166.73/83,266.30
  6. Step 6: Final answer
    x = 111,342.21

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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.