Home / 66,988.12-92,344.92-51,044.92

Finding the Fourth Proportional to 66,988.12, 92,344.92 and 51,044.92

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Solution

The fourth proportional to 66,988.12, 92,344.92 and 51,044.92 is: 70,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,988.12 : 92,344.92 = 51,044.92 : x
  2. Step 2: Convert to fraction form
    66,988.12/92,344.92 = 51,044.92/x
  3. Step 3: Cross multiply
    66,988.12x = 92,344.92 × 51,044.92
  4. Step 4: Simplify right side
    66,988.12x = 4,713,739,053.81
  5. Step 5: Solve for x
    x = 4,713,739,053.81/66,988.12
  6. Step 6: Final answer
    x = 70,366.79

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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.