Home / 42,803.08-64,079.70-24,979.12

Finding the Fourth Proportional to 42,803.08, 64,079.70 and 24,979.12

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Solution

The fourth proportional to 42,803.08, 64,079.70 and 24,979.12 is: 37,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.08 : 64,079.70 = 24,979.12 : x
  2. Step 2: Convert to fraction form
    42,803.08/64,079.70 = 24,979.12/x
  3. Step 3: Cross multiply
    42,803.08x = 64,079.70 × 24,979.12
  4. Step 4: Simplify right side
    42,803.08x = 1,600,654,515.86
  5. Step 5: Solve for x
    x = 1,600,654,515.86/42,803.08
  6. Step 6: Final answer
    x = 37,395.78

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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.