Home / 83,488.50-115,214.40-45,248.67

Finding the Fourth Proportional to 83,488.50, 115,214.40 and 45,248.67

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Solution

The fourth proportional to 83,488.50, 115,214.40 and 45,248.67 is: 62,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,488.50 : 115,214.40 = 45,248.67 : x
  2. Step 2: Convert to fraction form
    83,488.50/115,214.40 = 45,248.67/x
  3. Step 3: Cross multiply
    83,488.50x = 115,214.40 × 45,248.67
  4. Step 4: Simplify right side
    83,488.50x = 5,213,298,364.85
  5. Step 5: Solve for x
    x = 5,213,298,364.85/83,488.50
  6. Step 6: Final answer
    x = 62,443.31

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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.