Home / 124,064.32-171,215.76-67,474.56

Finding the Fourth Proportional to 124,064.32, 171,215.76 and 67,474.56

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Solution

The fourth proportional to 124,064.32, 171,215.76 and 67,474.56 is: 93,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.32 : 171,215.76 = 67,474.56 : x
  2. Step 2: Convert to fraction form
    124,064.32/171,215.76 = 67,474.56/x
  3. Step 3: Cross multiply
    124,064.32x = 171,215.76 × 67,474.56
  4. Step 4: Simplify right side
    124,064.32x = 11,552,708,071.07
  5. Step 5: Solve for x
    x = 11,552,708,071.07/124,064.32
  6. Step 6: Final answer
    x = 93,118.70

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1.5x scale

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.