Home / 70,629.20-97,468.56-38,798.72

Finding the Fourth Proportional to 70,629.20, 97,468.56 and 38,798.72

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Solution

The fourth proportional to 70,629.20, 97,468.56 and 38,798.72 is: 53,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,629.20 : 97,468.56 = 38,798.72 : x
  2. Step 2: Convert to fraction form
    70,629.20/97,468.56 = 38,798.72/x
  3. Step 3: Cross multiply
    70,629.20x = 97,468.56 × 38,798.72
  4. Step 4: Simplify right side
    70,629.20x = 3,781,655,368.24
  5. Step 5: Solve for x
    x = 3,781,655,368.24/70,629.20
  6. Step 6: Final answer
    x = 53,542.38

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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.