Home / 79,390.08-109,547.84-47,552.64

Finding the Fourth Proportional to 79,390.08, 109,547.84 and 47,552.64

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Solution

The fourth proportional to 79,390.08, 109,547.84 and 47,552.64 is: 65,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.08 : 109,547.84 = 47,552.64 : x
  2. Step 2: Convert to fraction form
    79,390.08/109,547.84 = 47,552.64/x
  3. Step 3: Cross multiply
    79,390.08x = 109,547.84 × 47,552.64
  4. Step 4: Simplify right side
    79,390.08x = 5,209,288,998.30
  5. Step 5: Solve for x
    x = 5,209,288,998.30/79,390.08
  6. Step 6: Final answer
    x = 65,616.37

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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.