Home / 79,931.04-110,309.76-45,950.40

Finding the Fourth Proportional to 79,931.04, 110,309.76 and 45,950.40

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Solution

The fourth proportional to 79,931.04, 110,309.76 and 45,950.40 is: 63,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.04 : 110,309.76 = 45,950.40 : x
  2. Step 2: Convert to fraction form
    79,931.04/110,309.76 = 45,950.40/x
  3. Step 3: Cross multiply
    79,931.04x = 110,309.76 × 45,950.40
  4. Step 4: Simplify right side
    79,931.04x = 5,068,777,595.90
  5. Step 5: Solve for x
    x = 5,068,777,595.90/79,931.04
  6. Step 6: Final answer
    x = 63,414.38

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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.