Home / 79,660.24-109,925.08-45,668.40

Finding the Fourth Proportional to 79,660.24, 109,925.08 and 45,668.40

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Solution

The fourth proportional to 79,660.24, 109,925.08 and 45,668.40 is: 63,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.24 : 109,925.08 = 45,668.40 : x
  2. Step 2: Convert to fraction form
    79,660.24/109,925.08 = 45,668.40/x
  3. Step 3: Cross multiply
    79,660.24x = 109,925.08 × 45,668.40
  4. Step 4: Simplify right side
    79,660.24x = 5,020,102,523.47
  5. Step 5: Solve for x
    x = 5,020,102,523.47/79,660.24
  6. Step 6: Final answer
    x = 63,018.92

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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.