Home / 75,350.90-112,929.15-57,733.40

Finding the Fourth Proportional to 75,350.90, 112,929.15 and 57,733.40

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Solution

The fourth proportional to 75,350.90, 112,929.15 and 57,733.40 is: 86,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.90 : 112,929.15 = 57,733.40 : x
  2. Step 2: Convert to fraction form
    75,350.90/112,929.15 = 57,733.40/x
  3. Step 3: Cross multiply
    75,350.90x = 112,929.15 × 57,733.40
  4. Step 4: Simplify right side
    75,350.90x = 6,519,783,788.61
  5. Step 5: Solve for x
    x = 6,519,783,788.61/75,350.90
  6. Step 6: Final answer
    x = 86,525.63

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1.5x scale

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.