Home / 97,743.88-134,900.94-61,937.20

Finding the Fourth Proportional to 97,743.88, 134,900.94 and 61,937.20

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Solution

The fourth proportional to 97,743.88, 134,900.94 and 61,937.20 is: 85,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.88 : 134,900.94 = 61,937.20 : x
  2. Step 2: Convert to fraction form
    97,743.88/134,900.94 = 61,937.20/x
  3. Step 3: Cross multiply
    97,743.88x = 134,900.94 × 61,937.20
  4. Step 4: Simplify right side
    97,743.88x = 8,355,386,500.97
  5. Step 5: Solve for x
    x = 8,355,386,500.97/97,743.88
  6. Step 6: Final answer
    x = 85,482.45

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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.