Home / 79,378.38-109,547.64-52,474.23

Finding the Fourth Proportional to 79,378.38, 109,547.64 and 52,474.23

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Solution

The fourth proportional to 79,378.38, 109,547.64 and 52,474.23 is: 72,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,378.38 : 109,547.64 = 52,474.23 : x
  2. Step 2: Convert to fraction form
    79,378.38/109,547.64 = 52,474.23/x
  3. Step 3: Cross multiply
    79,378.38x = 109,547.64 × 52,474.23
  4. Step 4: Simplify right side
    79,378.38x = 5,748,428,057.32
  5. Step 5: Solve for x
    x = 5,748,428,057.32/79,378.38
  6. Step 6: Final answer
    x = 72,418.06

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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.