Home / 82,936.20-124,307.10-62,135.40

Finding the Fourth Proportional to 82,936.20, 124,307.10 and 62,135.40

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Solution

The fourth proportional to 82,936.20, 124,307.10 and 62,135.40 is: 93,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,936.20 : 124,307.10 = 62,135.40 : x
  2. Step 2: Convert to fraction form
    82,936.20/124,307.10 = 62,135.40/x
  3. Step 3: Cross multiply
    82,936.20x = 124,307.10 × 62,135.40
  4. Step 4: Simplify right side
    82,936.20x = 7,723,871,381.34
  5. Step 5: Solve for x
    x = 7,723,871,381.34/82,936.20
  6. Step 6: Final answer
    x = 93,130.28

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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.