Home / 75,838.23-104,656.75-42,304.23

Finding the Fourth Proportional to 75,838.23, 104,656.75 and 42,304.23

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Solution

The fourth proportional to 75,838.23, 104,656.75 and 42,304.23 is: 58,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.23 : 104,656.75 = 42,304.23 : x
  2. Step 2: Convert to fraction form
    75,838.23/104,656.75 = 42,304.23/x
  3. Step 3: Cross multiply
    75,838.23x = 104,656.75 × 42,304.23
  4. Step 4: Simplify right side
    75,838.23x = 4,427,423,117.29
  5. Step 5: Solve for x
    x = 4,427,423,117.29/75,838.23
  6. Step 6: Final answer
    x = 58,379.83

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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.