Home / 67,742.36-93,530.08-42,287.48

Finding the Fourth Proportional to 67,742.36, 93,530.08 and 42,287.48

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Solution

The fourth proportional to 67,742.36, 93,530.08 and 42,287.48 is: 58,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.36 : 93,530.08 = 42,287.48 : x
  2. Step 2: Convert to fraction form
    67,742.36/93,530.08 = 42,287.48/x
  3. Step 3: Cross multiply
    67,742.36x = 93,530.08 × 42,287.48
  4. Step 4: Simplify right side
    67,742.36x = 3,955,151,387.40
  5. Step 5: Solve for x
    x = 3,955,151,387.40/67,742.36
  6. Step 6: Final answer
    x = 58,385.20

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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.