Home / 75,916.56-113,863.14-25,985.20

Finding the Fourth Proportional to 75,916.56, 113,863.14 and 25,985.20

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Solution

The fourth proportional to 75,916.56, 113,863.14 and 25,985.20 is: 38,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.56 : 113,863.14 = 25,985.20 : x
  2. Step 2: Convert to fraction form
    75,916.56/113,863.14 = 25,985.20/x
  3. Step 3: Cross multiply
    75,916.56x = 113,863.14 × 25,985.20
  4. Step 4: Simplify right side
    75,916.56x = 2,958,756,465.53
  5. Step 5: Solve for x
    x = 2,958,756,465.53/75,916.56
  6. Step 6: Final answer
    x = 38,973.80

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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.