Home / 91,126.08-125,767.08-53,399.52

Finding the Fourth Proportional to 91,126.08, 125,767.08 and 53,399.52

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Solution

The fourth proportional to 91,126.08, 125,767.08 and 53,399.52 is: 73,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126.08 : 125,767.08 = 53,399.52 : x
  2. Step 2: Convert to fraction form
    91,126.08/125,767.08 = 53,399.52/x
  3. Step 3: Cross multiply
    91,126.08x = 125,767.08 × 53,399.52
  4. Step 4: Simplify right side
    91,126.08x = 6,715,901,703.80
  5. Step 5: Solve for x
    x = 6,715,901,703.80/91,126.08
  6. Step 6: Final answer
    x = 73,699.01

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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.