Home / 74,140.28-102,307.08-43,920.48

Finding the Fourth Proportional to 74,140.28, 102,307.08 and 43,920.48

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Solution

The fourth proportional to 74,140.28, 102,307.08 and 43,920.48 is: 60,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,140.28 : 102,307.08 = 43,920.48 : x
  2. Step 2: Convert to fraction form
    74,140.28/102,307.08 = 43,920.48/x
  3. Step 3: Cross multiply
    74,140.28x = 102,307.08 × 43,920.48
  4. Step 4: Simplify right side
    74,140.28x = 4,493,376,061.00
  5. Step 5: Solve for x
    x = 4,493,376,061.00/74,140.28
  6. Step 6: Final answer
    x = 60,606.41

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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.