Home / 75,730.11-113,594.83-19,565.45

Finding the Fourth Proportional to 75,730.11, 113,594.83 and 19,565.45

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Solution

The fourth proportional to 75,730.11, 113,594.83 and 19,565.45 is: 29,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,730.11 : 113,594.83 = 19,565.45 : x
  2. Step 2: Convert to fraction form
    75,730.11/113,594.83 = 19,565.45/x
  3. Step 3: Cross multiply
    75,730.11x = 113,594.83 × 19,565.45
  4. Step 4: Simplify right side
    75,730.11x = 2,222,533,830.74
  5. Step 5: Solve for x
    x = 2,222,533,830.74/75,730.11
  6. Step 6: Final answer
    x = 29,348.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.