Home / 79,357.04-109,512.90-43,547.34

Finding the Fourth Proportional to 79,357.04, 109,512.90 and 43,547.34

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Solution

The fourth proportional to 79,357.04, 109,512.90 and 43,547.34 is: 60,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.04 : 109,512.90 = 43,547.34 : x
  2. Step 2: Convert to fraction form
    79,357.04/109,512.90 = 43,547.34/x
  3. Step 3: Cross multiply
    79,357.04x = 109,512.90 × 43,547.34
  4. Step 4: Simplify right side
    79,357.04x = 4,768,995,490.69
  5. Step 5: Solve for x
    x = 4,768,995,490.69/79,357.04
  6. Step 6: Final answer
    x = 60,095.43

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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.