Home / 97,686.46-134,777.55-54,661.49

Finding the Fourth Proportional to 97,686.46, 134,777.55 and 54,661.49

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Solution

The fourth proportional to 97,686.46, 134,777.55 and 54,661.49 is: 75,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,686.46 : 134,777.55 = 54,661.49 : x
  2. Step 2: Convert to fraction form
    97,686.46/134,777.55 = 54,661.49/x
  3. Step 3: Cross multiply
    97,686.46x = 134,777.55 × 54,661.49
  4. Step 4: Simplify right side
    97,686.46x = 7,367,141,701.55
  5. Step 5: Solve for x
    x = 7,367,141,701.55/97,686.46
  6. Step 6: Final answer
    x = 75,416.20

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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.