Home / 124,981.62-187,492-40,722.24

Finding the Fourth Proportional to 124,981.62, 187,492 and 40,722.24

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Solution

The fourth proportional to 124,981.62, 187,492 and 40,722.24 is: 61,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.62 : 187,492 = 40,722.24 : x
  2. Step 2: Convert to fraction form
    124,981.62/187,492 = 40,722.24/x
  3. Step 3: Cross multiply
    124,981.62x = 187,492 × 40,722.24
  4. Step 4: Simplify right side
    124,981.62x = 7,635,094,222.08
  5. Step 5: Solve for x
    x = 7,635,094,222.08/124,981.62
  6. Step 6: Final answer
    x = 61,089.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.