Home / 83,483.60-115,206.70-45,757.76

Finding the Fourth Proportional to 83,483.60, 115,206.70 and 45,757.76

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Solution

The fourth proportional to 83,483.60, 115,206.70 and 45,757.76 is: 63,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,483.60 : 115,206.70 = 45,757.76 : x
  2. Step 2: Convert to fraction form
    83,483.60/115,206.70 = 45,757.76/x
  3. Step 3: Cross multiply
    83,483.60x = 115,206.70 × 45,757.76
  4. Step 4: Simplify right side
    83,483.60x = 5,271,600,528.99
  5. Step 5: Solve for x
    x = 5,271,600,528.99/83,483.60
  6. Step 6: Final answer
    x = 63,145.34

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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.