Home / 79,152.66-109,225.67-43,343.10

Finding the Fourth Proportional to 79,152.66, 109,225.67 and 43,343.10

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Solution

The fourth proportional to 79,152.66, 109,225.67 and 43,343.10 is: 59,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.66 : 109,225.67 = 43,343.10 : x
  2. Step 2: Convert to fraction form
    79,152.66/109,225.67 = 43,343.10/x
  3. Step 3: Cross multiply
    79,152.66x = 109,225.67 × 43,343.10
  4. Step 4: Simplify right side
    79,152.66x = 4,734,178,920.66
  5. Step 5: Solve for x
    x = 4,734,178,920.66/79,152.66
  6. Step 6: Final answer
    x = 59,810.74

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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.