Home / 75,516.60-113,307.30-38,580.60

Finding the Fourth Proportional to 75,516.60, 113,307.30 and 38,580.60

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Solution

The fourth proportional to 75,516.60, 113,307.30 and 38,580.60 is: 57,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516.60 : 113,307.30 = 38,580.60 : x
  2. Step 2: Convert to fraction form
    75,516.60/113,307.30 = 38,580.60/x
  3. Step 3: Cross multiply
    75,516.60x = 113,307.30 × 38,580.60
  4. Step 4: Simplify right side
    75,516.60x = 4,371,463,618.38
  5. Step 5: Solve for x
    x = 4,371,463,618.38/75,516.60
  6. Step 6: Final answer
    x = 57,887.45

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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.