Home / 124,209.12-171,379.44-70,482

Finding the Fourth Proportional to 124,209.12, 171,379.44 and 70,482

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Solution

The fourth proportional to 124,209.12, 171,379.44 and 70,482 is: 97,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209.12 : 171,379.44 = 70,482 : x
  2. Step 2: Convert to fraction form
    124,209.12/171,379.44 = 70,482/x
  3. Step 3: Cross multiply
    124,209.12x = 171,379.44 × 70,482
  4. Step 4: Simplify right side
    124,209.12x = 12,079,165,690.08
  5. Step 5: Solve for x
    x = 12,079,165,690.08/124,209.12
  6. Step 6: Final answer
    x = 97,248.62

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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.