Home / 80,816.16-111,526.02-45,006.60

Finding the Fourth Proportional to 80,816.16, 111,526.02 and 45,006.60

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Solution

The fourth proportional to 80,816.16, 111,526.02 and 45,006.60 is: 62,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.16 : 111,526.02 = 45,006.60 : x
  2. Step 2: Convert to fraction form
    80,816.16/111,526.02 = 45,006.60/x
  3. Step 3: Cross multiply
    80,816.16x = 111,526.02 × 45,006.60
  4. Step 4: Simplify right side
    80,816.16x = 5,019,406,971.73
  5. Step 5: Solve for x
    x = 5,019,406,971.73/80,816.16
  6. Step 6: Final answer
    x = 62,108.95

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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.