Home / 97,627.28-134,740.04-61,820.56

Finding the Fourth Proportional to 97,627.28, 134,740.04 and 61,820.56

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Solution

The fourth proportional to 97,627.28, 134,740.04 and 61,820.56 is: 85,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,627.28 : 134,740.04 = 61,820.56 : x
  2. Step 2: Convert to fraction form
    97,627.28/134,740.04 = 61,820.56/x
  3. Step 3: Cross multiply
    97,627.28x = 134,740.04 × 61,820.56
  4. Step 4: Simplify right side
    97,627.28x = 8,329,704,727.22
  5. Step 5: Solve for x
    x = 8,329,704,727.22/97,627.28
  6. Step 6: Final answer
    x = 85,321.49

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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.