Home / 79,228.29-109,334.16-42,929.04

Finding the Fourth Proportional to 79,228.29, 109,334.16 and 42,929.04

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Solution

The fourth proportional to 79,228.29, 109,334.16 and 42,929.04 is: 59,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,228.29 : 109,334.16 = 42,929.04 : x
  2. Step 2: Convert to fraction form
    79,228.29/109,334.16 = 42,929.04/x
  3. Step 3: Cross multiply
    79,228.29x = 109,334.16 × 42,929.04
  4. Step 4: Simplify right side
    79,228.29x = 4,693,610,528.01
  5. Step 5: Solve for x
    x = 4,693,610,528.01/79,228.29
  6. Step 6: Final answer
    x = 59,241.60

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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.