Home / 75,528.60-113,329.35-53,294.10

Finding the Fourth Proportional to 75,528.60, 113,329.35 and 53,294.10

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Solution

The fourth proportional to 75,528.60, 113,329.35 and 53,294.10 is: 79,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.60 : 113,329.35 = 53,294.10 : x
  2. Step 2: Convert to fraction form
    75,528.60/113,329.35 = 53,294.10/x
  3. Step 3: Cross multiply
    75,528.60x = 113,329.35 × 53,294.10
  4. Step 4: Simplify right side
    75,528.60x = 6,039,785,711.84
  5. Step 5: Solve for x
    x = 6,039,785,711.84/75,528.60
  6. Step 6: Final answer
    x = 79,966.87

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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.