Home / 110,972.07-153,126.59-65,652.57

Finding the Fourth Proportional to 110,972.07, 153,126.59 and 65,652.57

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Solution

The fourth proportional to 110,972.07, 153,126.59 and 65,652.57 is: 90,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.07 : 153,126.59 = 65,652.57 : x
  2. Step 2: Convert to fraction form
    110,972.07/153,126.59 = 65,652.57/x
  3. Step 3: Cross multiply
    110,972.07x = 153,126.59 × 65,652.57
  4. Step 4: Simplify right side
    110,972.07x = 10,053,153,840.57
  5. Step 5: Solve for x
    x = 10,053,153,840.57/110,972.07
  6. Step 6: Final answer
    x = 90,591.75

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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.