Home / 97,648.18-134,754.54-55,206.34

Finding the Fourth Proportional to 97,648.18, 134,754.54 and 55,206.34

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Solution

The fourth proportional to 97,648.18, 134,754.54 and 55,206.34 is: 76,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,648.18 : 134,754.54 = 55,206.34 : x
  2. Step 2: Convert to fraction form
    97,648.18/134,754.54 = 55,206.34/x
  3. Step 3: Cross multiply
    97,648.18x = 134,754.54 × 55,206.34
  4. Step 4: Simplify right side
    97,648.18x = 7,439,304,951.78
  5. Step 5: Solve for x
    x = 7,439,304,951.78/97,648.18
  6. Step 6: Final answer
    x = 76,184.78

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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.