Home / 79,547.04-109,776.74-43,739.06

Finding the Fourth Proportional to 79,547.04, 109,776.74 and 43,739.06

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Solution

The fourth proportional to 79,547.04, 109,776.74 and 43,739.06 is: 60,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.04 : 109,776.74 = 43,739.06 : x
  2. Step 2: Convert to fraction form
    79,547.04/109,776.74 = 43,739.06/x
  3. Step 3: Cross multiply
    79,547.04x = 109,776.74 × 43,739.06
  4. Step 4: Simplify right side
    79,547.04x = 4,801,530,649.89
  5. Step 5: Solve for x
    x = 4,801,530,649.89/79,547.04
  6. Step 6: Final answer
    x = 60,360.90

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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.