Home / 91,021.16-136,510.68-34,841.18

Finding the Fourth Proportional to 91,021.16, 136,510.68 and 34,841.18

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Solution

The fourth proportional to 91,021.16, 136,510.68 and 34,841.18 is: 52,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,021.16 : 136,510.68 = 34,841.18 : x
  2. Step 2: Convert to fraction form
    91,021.16/136,510.68 = 34,841.18/x
  3. Step 3: Cross multiply
    91,021.16x = 136,510.68 × 34,841.18
  4. Step 4: Simplify right side
    91,021.16x = 4,756,193,173.80
  5. Step 5: Solve for x
    x = 4,756,193,173.80/91,021.16
  6. Step 6: Final answer
    x = 52,253.71

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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.