Home / 70,502.83-97,287.75-40,282.13

Finding the Fourth Proportional to 70,502.83, 97,287.75 and 40,282.13

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Solution

The fourth proportional to 70,502.83, 97,287.75 and 40,282.13 is: 55,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,502.83 : 97,287.75 = 40,282.13 : x
  2. Step 2: Convert to fraction form
    70,502.83/97,287.75 = 40,282.13/x
  3. Step 3: Cross multiply
    70,502.83x = 97,287.75 × 40,282.13
  4. Step 4: Simplify right side
    70,502.83x = 3,918,958,036.13
  5. Step 5: Solve for x
    x = 3,918,958,036.13/70,502.83
  6. Step 6: Final answer
    x = 55,585.83

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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.