Home / 75,320.56-103,930.28-46,685.44

Finding the Fourth Proportional to 75,320.56, 103,930.28 and 46,685.44

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Solution

The fourth proportional to 75,320.56, 103,930.28 and 46,685.44 is: 64,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.56 : 103,930.28 = 46,685.44 : x
  2. Step 2: Convert to fraction form
    75,320.56/103,930.28 = 46,685.44/x
  3. Step 3: Cross multiply
    75,320.56x = 103,930.28 × 46,685.44
  4. Step 4: Simplify right side
    75,320.56x = 4,852,030,851.12
  5. Step 5: Solve for x
    x = 4,852,030,851.12/75,320.56
  6. Step 6: Final answer
    x = 64,418.41

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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.