Home / 79,148.95-109,225.56-43,341.16

Finding the Fourth Proportional to 79,148.95, 109,225.56 and 43,341.16

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Solution

The fourth proportional to 79,148.95, 109,225.56 and 43,341.16 is: 59,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148.95 : 109,225.56 = 43,341.16 : x
  2. Step 2: Convert to fraction form
    79,148.95/109,225.56 = 43,341.16/x
  3. Step 3: Cross multiply
    79,148.95x = 109,225.56 × 43,341.16
  4. Step 4: Simplify right side
    79,148.95x = 4,733,962,472.05
  5. Step 5: Solve for x
    x = 4,733,962,472.05/79,148.95
  6. Step 6: Final answer
    x = 59,810.81

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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.