Home / 103,143.12-142,312.68-60,096.48

Finding the Fourth Proportional to 103,143.12, 142,312.68 and 60,096.48

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Solution

The fourth proportional to 103,143.12, 142,312.68 and 60,096.48 is: 82,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,143.12 : 142,312.68 = 60,096.48 : x
  2. Step 2: Convert to fraction form
    103,143.12/142,312.68 = 60,096.48/x
  3. Step 3: Cross multiply
    103,143.12x = 142,312.68 × 60,096.48
  4. Step 4: Simplify right side
    103,143.12x = 8,552,491,127.37
  5. Step 5: Solve for x
    x = 8,552,491,127.37/103,143.12
  6. Step 6: Final answer
    x = 82,918.68

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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.