Home / 75,145.35-103,667.40-44,915.52

Finding the Fourth Proportional to 75,145.35, 103,667.40 and 44,915.52

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Solution

The fourth proportional to 75,145.35, 103,667.40 and 44,915.52 is: 61,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.35 : 103,667.40 = 44,915.52 : x
  2. Step 2: Convert to fraction form
    75,145.35/103,667.40 = 44,915.52/x
  3. Step 3: Cross multiply
    75,145.35x = 103,667.40 × 44,915.52
  4. Step 4: Simplify right side
    75,145.35x = 4,656,275,178.05
  5. Step 5: Solve for x
    x = 4,656,275,178.05/75,145.35
  6. Step 6: Final answer
    x = 61,963.58

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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.