Home / 55,126.38-82,623.93-38,395.80

Finding the Fourth Proportional to 55,126.38, 82,623.93 and 38,395.80

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Solution

The fourth proportional to 55,126.38, 82,623.93 and 38,395.80 is: 57,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.38 : 82,623.93 = 38,395.80 : x
  2. Step 2: Convert to fraction form
    55,126.38/82,623.93 = 38,395.80/x
  3. Step 3: Cross multiply
    55,126.38x = 82,623.93 × 38,395.80
  4. Step 4: Simplify right side
    55,126.38x = 3,172,411,891.49
  5. Step 5: Solve for x
    x = 3,172,411,891.49/55,126.38
  6. Step 6: Final answer
    x = 57,547.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.