Home / 94,641.69-130,605.28-54,358.06

Finding the Fourth Proportional to 94,641.69, 130,605.28 and 54,358.06

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Solution

The fourth proportional to 94,641.69, 130,605.28 and 54,358.06 is: 75,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,641.69 : 130,605.28 = 54,358.06 : x
  2. Step 2: Convert to fraction form
    94,641.69/130,605.28 = 54,358.06/x
  3. Step 3: Cross multiply
    94,641.69x = 130,605.28 × 54,358.06
  4. Step 4: Simplify right side
    94,641.69x = 7,099,449,646.56
  5. Step 5: Solve for x
    x = 7,099,449,646.56/94,641.69
  6. Step 6: Final answer
    x = 75,013.98

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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.