Home / 97,423.32-134,441.46-54,985.80

Finding the Fourth Proportional to 97,423.32, 134,441.46 and 54,985.80

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Solution

The fourth proportional to 97,423.32, 134,441.46 and 54,985.80 is: 75,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,423.32 : 134,441.46 = 54,985.80 : x
  2. Step 2: Convert to fraction form
    97,423.32/134,441.46 = 54,985.80/x
  3. Step 3: Cross multiply
    97,423.32x = 134,441.46 × 54,985.80
  4. Step 4: Simplify right side
    97,423.32x = 7,392,371,231.27
  5. Step 5: Solve for x
    x = 7,392,371,231.27/97,423.32
  6. Step 6: Final answer
    x = 75,878.87

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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.