Home / 60,667.12-91,000.92-18,547.05

Finding the Fourth Proportional to 60,667.12, 91,000.92 and 18,547.05

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Solution

The fourth proportional to 60,667.12, 91,000.92 and 18,547.05 is: 27,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.12 : 91,000.92 = 18,547.05 : x
  2. Step 2: Convert to fraction form
    60,667.12/91,000.92 = 18,547.05/x
  3. Step 3: Cross multiply
    60,667.12x = 91,000.92 × 18,547.05
  4. Step 4: Simplify right side
    60,667.12x = 1,687,798,613.29
  5. Step 5: Solve for x
    x = 1,687,798,613.29/60,667.12
  6. Step 6: Final answer
    x = 27,820.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.