Home / 79,588.17-109,805.63-45,600.57

Finding the Fourth Proportional to 79,588.17, 109,805.63 and 45,600.57

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Solution

The fourth proportional to 79,588.17, 109,805.63 and 45,600.57 is: 62,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,588.17 : 109,805.63 = 45,600.57 : x
  2. Step 2: Convert to fraction form
    79,588.17/109,805.63 = 45,600.57/x
  3. Step 3: Cross multiply
    79,588.17x = 109,805.63 × 45,600.57
  4. Step 4: Simplify right side
    79,588.17x = 5,007,199,089.21
  5. Step 5: Solve for x
    x = 5,007,199,089.21/79,588.17
  6. Step 6: Final answer
    x = 62,913.86

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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.