Home / 111,337.02-153,641.91-63,589.38

Finding the Fourth Proportional to 111,337.02, 153,641.91 and 63,589.38

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Solution

The fourth proportional to 111,337.02, 153,641.91 and 63,589.38 is: 87,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.02 : 153,641.91 = 63,589.38 : x
  2. Step 2: Convert to fraction form
    111,337.02/153,641.91 = 63,589.38/x
  3. Step 3: Cross multiply
    111,337.02x = 153,641.91 × 63,589.38
  4. Step 4: Simplify right side
    111,337.02x = 9,769,993,798.92
  5. Step 5: Solve for x
    x = 9,769,993,798.92/111,337.02
  6. Step 6: Final answer
    x = 87,751.53

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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.