Home / 74,948.16-103,424.40-41,412

Finding the Fourth Proportional to 74,948.16, 103,424.40 and 41,412

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Solution

The fourth proportional to 74,948.16, 103,424.40 and 41,412 is: 57,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.16 : 103,424.40 = 41,412 : x
  2. Step 2: Convert to fraction form
    74,948.16/103,424.40 = 41,412/x
  3. Step 3: Cross multiply
    74,948.16x = 103,424.40 × 41,412
  4. Step 4: Simplify right side
    74,948.16x = 4,283,011,252.80
  5. Step 5: Solve for x
    x = 4,283,011,252.80/74,948.16
  6. Step 6: Final answer
    x = 57,146.32

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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.