Home / 66,945.08-100,259.28-58,132.12

Finding the Fourth Proportional to 66,945.08, 100,259.28 and 58,132.12

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Solution

The fourth proportional to 66,945.08, 100,259.28 and 58,132.12 is: 87,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.08 : 100,259.28 = 58,132.12 : x
  2. Step 2: Convert to fraction form
    66,945.08/100,259.28 = 58,132.12/x
  3. Step 3: Cross multiply
    66,945.08x = 100,259.28 × 58,132.12
  4. Step 4: Simplify right side
    66,945.08x = 5,828,284,496.07
  5. Step 5: Solve for x
    x = 5,828,284,496.07/66,945.08
  6. Step 6: Final answer
    x = 87,060.68

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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.