Home / 69,690.55-96,165.25-38,645.02

Finding the Fourth Proportional to 69,690.55, 96,165.25 and 38,645.02

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Solution

The fourth proportional to 69,690.55, 96,165.25 and 38,645.02 is: 53,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.55 : 96,165.25 = 38,645.02 : x
  2. Step 2: Convert to fraction form
    69,690.55/96,165.25 = 38,645.02/x
  3. Step 3: Cross multiply
    69,690.55x = 96,165.25 × 38,645.02
  4. Step 4: Simplify right side
    69,690.55x = 3,716,307,492.22
  5. Step 5: Solve for x
    x = 3,716,307,492.22/69,690.55
  6. Step 6: Final answer
    x = 53,325.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.