Home / 107,276.27-148,047.95-61,962.57

Finding the Fourth Proportional to 107,276.27, 148,047.95 and 61,962.57

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Solution

The fourth proportional to 107,276.27, 148,047.95 and 61,962.57 is: 85,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,276.27 : 148,047.95 = 61,962.57 : x
  2. Step 2: Convert to fraction form
    107,276.27/148,047.95 = 61,962.57/x
  3. Step 3: Cross multiply
    107,276.27x = 148,047.95 × 61,962.57
  4. Step 4: Simplify right side
    107,276.27x = 9,173,431,620.14
  5. Step 5: Solve for x
    x = 9,173,431,620.14/107,276.27
  6. Step 6: Final answer
    x = 85,512.22

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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.