Home / 70,308.20-97,025.38-38,477.16

Finding the Fourth Proportional to 70,308.20, 97,025.38 and 38,477.16

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Solution

The fourth proportional to 70,308.20, 97,025.38 and 38,477.16 is: 53,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308.20 : 97,025.38 = 38,477.16 : x
  2. Step 2: Convert to fraction form
    70,308.20/97,025.38 = 38,477.16/x
  3. Step 3: Cross multiply
    70,308.20x = 97,025.38 × 38,477.16
  4. Step 4: Simplify right side
    70,308.20x = 3,733,260,974.13
  5. Step 5: Solve for x
    x = 3,733,260,974.13/70,308.20
  6. Step 6: Final answer
    x = 53,098.51

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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.