Home / 70,631.16-97,471.08-38,802.12

Finding the Fourth Proportional to 70,631.16, 97,471.08 and 38,802.12

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Solution

The fourth proportional to 70,631.16, 97,471.08 and 38,802.12 is: 53,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,631.16 : 97,471.08 = 38,802.12 : x
  2. Step 2: Convert to fraction form
    70,631.16/97,471.08 = 38,802.12/x
  3. Step 3: Cross multiply
    70,631.16x = 97,471.08 × 38,802.12
  4. Step 4: Simplify right side
    70,631.16x = 3,782,084,542.69
  5. Step 5: Solve for x
    x = 3,782,084,542.69/70,631.16
  6. Step 6: Final answer
    x = 53,546.97

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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.