Home / 75,614.04-104,346.36-42,080.04

Finding the Fourth Proportional to 75,614.04, 104,346.36 and 42,080.04

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Solution

The fourth proportional to 75,614.04, 104,346.36 and 42,080.04 is: 58,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.04 : 104,346.36 = 42,080.04 : x
  2. Step 2: Convert to fraction form
    75,614.04/104,346.36 = 42,080.04/x
  3. Step 3: Cross multiply
    75,614.04x = 104,346.36 × 42,080.04
  4. Step 4: Simplify right side
    75,614.04x = 4,390,899,002.65
  5. Step 5: Solve for x
    x = 4,390,899,002.65/75,614.04
  6. Step 6: Final answer
    x = 58,069.89

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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.