Home / 83,555.74-125,376.72-55,495.18

Finding the Fourth Proportional to 83,555.74, 125,376.72 and 55,495.18

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Solution

The fourth proportional to 83,555.74, 125,376.72 and 55,495.18 is: 83,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.74 : 125,376.72 = 55,495.18 : x
  2. Step 2: Convert to fraction form
    83,555.74/125,376.72 = 55,495.18/x
  3. Step 3: Cross multiply
    83,555.74x = 125,376.72 × 55,495.18
  4. Step 4: Simplify right side
    83,555.74x = 6,957,803,644.21
  5. Step 5: Solve for x
    x = 6,957,803,644.21/83,555.74
  6. Step 6: Final answer
    x = 83,271.40

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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.