Home / 112,725.50-155,566.08-62,424.50

Finding the Fourth Proportional to 112,725.50, 155,566.08 and 62,424.50

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Solution

The fourth proportional to 112,725.50, 155,566.08 and 62,424.50 is: 86,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.50 : 155,566.08 = 62,424.50 : x
  2. Step 2: Convert to fraction form
    112,725.50/155,566.08 = 62,424.50/x
  3. Step 3: Cross multiply
    112,725.50x = 155,566.08 × 62,424.50
  4. Step 4: Simplify right side
    112,725.50x = 9,711,134,760.96
  5. Step 5: Solve for x
    x = 9,711,134,760.96/112,725.50
  6. Step 6: Final answer
    x = 86,148.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.