Home / 75,478.34-113,210.89-25,557.30

Finding the Fourth Proportional to 75,478.34, 113,210.89 and 25,557.30

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Solution

The fourth proportional to 75,478.34, 113,210.89 and 25,557.30 is: 38,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.34 : 113,210.89 = 25,557.30 : x
  2. Step 2: Convert to fraction form
    75,478.34/113,210.89 = 25,557.30/x
  3. Step 3: Cross multiply
    75,478.34x = 113,210.89 × 25,557.30
  4. Step 4: Simplify right side
    75,478.34x = 2,893,364,679.00
  5. Step 5: Solve for x
    x = 2,893,364,679.00/75,478.34
  6. Step 6: Final answer
    x = 38,333.71

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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.