Home / 61,991.39-85,547.17-34,767.47

Finding the Fourth Proportional to 61,991.39, 85,547.17 and 34,767.47

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Solution

The fourth proportional to 61,991.39, 85,547.17 and 34,767.47 is: 47,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,991.39 : 85,547.17 = 34,767.47 : x
  2. Step 2: Convert to fraction form
    61,991.39/85,547.17 = 34,767.47/x
  3. Step 3: Cross multiply
    61,991.39x = 85,547.17 × 34,767.47
  4. Step 4: Simplify right side
    61,991.39x = 2,974,258,329.38
  5. Step 5: Solve for x
    x = 2,974,258,329.38/61,991.39
  6. Step 6: Final answer
    x = 47,978.57

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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.