Home / 70,346.25-97,080.30-38,515.41

Finding the Fourth Proportional to 70,346.25, 97,080.30 and 38,515.41

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Solution

The fourth proportional to 70,346.25, 97,080.30 and 38,515.41 is: 53,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.25 : 97,080.30 = 38,515.41 : x
  2. Step 2: Convert to fraction form
    70,346.25/97,080.30 = 38,515.41/x
  3. Step 3: Cross multiply
    70,346.25x = 97,080.30 × 38,515.41
  4. Step 4: Simplify right side
    70,346.25x = 3,739,087,557.42
  5. Step 5: Solve for x
    x = 3,739,087,557.42/70,346.25
  6. Step 6: Final answer
    x = 53,152.62

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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.