Home / 110,421.24-152,381.28-60,120.24

Finding the Fourth Proportional to 110,421.24, 152,381.28 and 60,120.24

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Solution

The fourth proportional to 110,421.24, 152,381.28 and 60,120.24 is: 82,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.24 : 152,381.28 = 60,120.24 : x
  2. Step 2: Convert to fraction form
    110,421.24/152,381.28 = 60,120.24/x
  3. Step 3: Cross multiply
    110,421.24x = 152,381.28 × 60,120.24
  4. Step 4: Simplify right side
    110,421.24x = 9,161,199,125.11
  5. Step 5: Solve for x
    x = 9,161,199,125.11/110,421.24
  6. Step 6: Final answer
    x = 82,965.91

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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.