Home / 75,563.10-113,417.55-38,165.40

Finding the Fourth Proportional to 75,563.10, 113,417.55 and 38,165.40

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Solution

The fourth proportional to 75,563.10, 113,417.55 and 38,165.40 is: 57,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,563.10 : 113,417.55 = 38,165.40 : x
  2. Step 2: Convert to fraction form
    75,563.10/113,417.55 = 38,165.40/x
  3. Step 3: Cross multiply
    75,563.10x = 113,417.55 × 38,165.40
  4. Step 4: Simplify right side
    75,563.10x = 4,328,626,162.77
  5. Step 5: Solve for x
    x = 4,328,626,162.77/75,563.10
  6. Step 6: Final answer
    x = 57,284.92

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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.