Home / 75,715.19-113,500.48-28,317.43

Finding the Fourth Proportional to 75,715.19, 113,500.48 and 28,317.43

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Solution

The fourth proportional to 75,715.19, 113,500.48 and 28,317.43 is: 42,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.19 : 113,500.48 = 28,317.43 : x
  2. Step 2: Convert to fraction form
    75,715.19/113,500.48 = 28,317.43/x
  3. Step 3: Cross multiply
    75,715.19x = 113,500.48 × 28,317.43
  4. Step 4: Simplify right side
    75,715.19x = 3,214,041,897.37
  5. Step 5: Solve for x
    x = 3,214,041,897.37/75,715.19
  6. Step 6: Final answer
    x = 42,449.10

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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.