Home / 70,535.76-97,339.35-40,321.74

Finding the Fourth Proportional to 70,535.76, 97,339.35 and 40,321.74

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Solution

The fourth proportional to 70,535.76, 97,339.35 and 40,321.74 is: 55,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,535.76 : 97,339.35 = 40,321.74 : x
  2. Step 2: Convert to fraction form
    70,535.76/97,339.35 = 40,321.74/x
  3. Step 3: Cross multiply
    70,535.76x = 97,339.35 × 40,321.74
  4. Step 4: Simplify right side
    70,535.76x = 3,924,891,962.47
  5. Step 5: Solve for x
    x = 3,924,891,962.47/70,535.76
  6. Step 6: Final answer
    x = 55,644.01

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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.