Home / 83,756.08-125,638.91-23,779.87

Finding the Fourth Proportional to 83,756.08, 125,638.91 and 23,779.87

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Solution

The fourth proportional to 83,756.08, 125,638.91 and 23,779.87 is: 35,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.08 : 125,638.91 = 23,779.87 : x
  2. Step 2: Convert to fraction form
    83,756.08/125,638.91 = 23,779.87/x
  3. Step 3: Cross multiply
    83,756.08x = 125,638.91 × 23,779.87
  4. Step 4: Simplify right side
    83,756.08x = 2,987,676,946.74
  5. Step 5: Solve for x
    x = 2,987,676,946.74/83,756.08
  6. Step 6: Final answer
    x = 35,671.16

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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.