Home / 70,321.65-97,043.05-38,055.52

Finding the Fourth Proportional to 70,321.65, 97,043.05 and 38,055.52

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Solution

The fourth proportional to 70,321.65, 97,043.05 and 38,055.52 is: 52,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.65 : 97,043.05 = 38,055.52 : x
  2. Step 2: Convert to fraction form
    70,321.65/97,043.05 = 38,055.52/x
  3. Step 3: Cross multiply
    70,321.65x = 97,043.05 × 38,055.52
  4. Step 4: Simplify right side
    70,321.65x = 3,693,023,730.14
  5. Step 5: Solve for x
    x = 3,693,023,730.14/70,321.65
  6. Step 6: Final answer
    x = 52,516.17

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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.