Home / 79,152.29-109,230.12-43,342.28

Finding the Fourth Proportional to 79,152.29, 109,230.12 and 43,342.28

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Solution

The fourth proportional to 79,152.29, 109,230.12 and 43,342.28 is: 59,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.29 : 109,230.12 = 43,342.28 : x
  2. Step 2: Convert to fraction form
    79,152.29/109,230.12 = 43,342.28/x
  3. Step 3: Cross multiply
    79,152.29x = 109,230.12 × 43,342.28
  4. Step 4: Simplify right side
    79,152.29x = 4,734,282,445.47
  5. Step 5: Solve for x
    x = 4,734,282,445.47/79,152.29
  6. Step 6: Final answer
    x = 59,812.32

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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.