Home / 97,220.44-134,168.70-54,780.76

Finding the Fourth Proportional to 97,220.44, 134,168.70 and 54,780.76

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Solution

The fourth proportional to 97,220.44, 134,168.70 and 54,780.76 is: 75,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,220.44 : 134,168.70 = 54,780.76 : x
  2. Step 2: Convert to fraction form
    97,220.44/134,168.70 = 54,780.76/x
  3. Step 3: Cross multiply
    97,220.44x = 134,168.70 × 54,780.76
  4. Step 4: Simplify right side
    97,220.44x = 7,349,863,354.21
  5. Step 5: Solve for x
    x = 7,349,863,354.21/97,220.44
  6. Step 6: Final answer
    x = 75,599.98

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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.