Home / 112,752.16-155,596.01-61,765.90

Finding the Fourth Proportional to 112,752.16, 155,596.01 and 61,765.90

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Solution

The fourth proportional to 112,752.16, 155,596.01 and 61,765.90 is: 85,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752.16 : 155,596.01 = 61,765.90 : x
  2. Step 2: Convert to fraction form
    112,752.16/155,596.01 = 61,765.90/x
  3. Step 3: Cross multiply
    112,752.16x = 155,596.01 × 61,765.90
  4. Step 4: Simplify right side
    112,752.16x = 9,610,527,594.06
  5. Step 5: Solve for x
    x = 9,610,527,594.06/112,752.16
  6. Step 6: Final answer
    x = 85,235.86

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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.