Home / 90,701.14-125,035.72-63,392.44

Finding the Fourth Proportional to 90,701.14, 125,035.72 and 63,392.44

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Solution

The fourth proportional to 90,701.14, 125,035.72 and 63,392.44 is: 87,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.14 : 125,035.72 = 63,392.44 : x
  2. Step 2: Convert to fraction form
    90,701.14/125,035.72 = 63,392.44/x
  3. Step 3: Cross multiply
    90,701.14x = 125,035.72 × 63,392.44
  4. Step 4: Simplify right side
    90,701.14x = 7,926,319,377.96
  5. Step 5: Solve for x
    x = 7,926,319,377.96/90,701.14
  6. Step 6: Final answer
    x = 87,389.41

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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.