Home / 124,065.12-171,206.16-67,475.04

Finding the Fourth Proportional to 124,065.12, 171,206.16 and 67,475.04

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Solution

The fourth proportional to 124,065.12, 171,206.16 and 67,475.04 is: 93,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,065.12 : 171,206.16 = 67,475.04 : x
  2. Step 2: Convert to fraction form
    124,065.12/171,206.16 = 67,475.04/x
  3. Step 3: Cross multiply
    124,065.12x = 171,206.16 × 67,475.04
  4. Step 4: Simplify right side
    124,065.12x = 11,552,142,494.25
  5. Step 5: Solve for x
    x = 11,552,142,494.25/124,065.12
  6. Step 6: Final answer
    x = 93,113.54

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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.