Home / 67,854.08-101,706.60-28,436.24

Finding the Fourth Proportional to 67,854.08, 101,706.60 and 28,436.24

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Solution

The fourth proportional to 67,854.08, 101,706.60 and 28,436.24 is: 42,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.08 : 101,706.60 = 28,436.24 : x
  2. Step 2: Convert to fraction form
    67,854.08/101,706.60 = 28,436.24/x
  3. Step 3: Cross multiply
    67,854.08x = 101,706.60 × 28,436.24
  4. Step 4: Simplify right side
    67,854.08x = 2,892,153,287.18
  5. Step 5: Solve for x
    x = 2,892,153,287.18/67,854.08
  6. Step 6: Final answer
    x = 42,623.13

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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.