Home / 85,177.33-117,547.05-47,451.58

Finding the Fourth Proportional to 85,177.33, 117,547.05 and 47,451.58

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Solution

The fourth proportional to 85,177.33, 117,547.05 and 47,451.58 is: 65,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177.33 : 117,547.05 = 47,451.58 : x
  2. Step 2: Convert to fraction form
    85,177.33/117,547.05 = 47,451.58/x
  3. Step 3: Cross multiply
    85,177.33x = 117,547.05 × 47,451.58
  4. Step 4: Simplify right side
    85,177.33x = 5,577,793,246.84
  5. Step 5: Solve for x
    x = 5,577,793,246.84/85,177.33
  6. Step 6: Final answer
    x = 65,484.48

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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.