Home / 85,345.22-117,767.48-47,104.07

Finding the Fourth Proportional to 85,345.22, 117,767.48 and 47,104.07

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Solution

The fourth proportional to 85,345.22, 117,767.48 and 47,104.07 is: 64,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,345.22 : 117,767.48 = 47,104.07 : x
  2. Step 2: Convert to fraction form
    85,345.22/117,767.48 = 47,104.07/x
  3. Step 3: Cross multiply
    85,345.22x = 117,767.48 × 47,104.07
  4. Step 4: Simplify right side
    85,345.22x = 5,547,326,797.29
  5. Step 5: Solve for x
    x = 5,547,326,797.29/85,345.22
  6. Step 6: Final answer
    x = 64,998.68

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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.