Home / 66,256.25-91,310.72-49,233.51

Finding the Fourth Proportional to 66,256.25, 91,310.72 and 49,233.51

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Solution

The fourth proportional to 66,256.25, 91,310.72 and 49,233.51 is: 67,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.25 : 91,310.72 = 49,233.51 : x
  2. Step 2: Convert to fraction form
    66,256.25/91,310.72 = 49,233.51/x
  3. Step 3: Cross multiply
    66,256.25x = 91,310.72 × 49,233.51
  4. Step 4: Simplify right side
    66,256.25x = 4,495,547,000.06
  5. Step 5: Solve for x
    x = 4,495,547,000.06/66,256.25
  6. Step 6: Final answer
    x = 67,850.92

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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.