Home / 74,873.98-103,325.30-40,882.36

Finding the Fourth Proportional to 74,873.98, 103,325.30 and 40,882.36

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Solution

The fourth proportional to 74,873.98, 103,325.30 and 40,882.36 is: 56,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.98 : 103,325.30 = 40,882.36 : x
  2. Step 2: Convert to fraction form
    74,873.98/103,325.30 = 40,882.36/x
  3. Step 3: Cross multiply
    74,873.98x = 103,325.30 × 40,882.36
  4. Step 4: Simplify right side
    74,873.98x = 4,224,182,111.71
  5. Step 5: Solve for x
    x = 4,224,182,111.71/74,873.98
  6. Step 6: Final answer
    x = 56,417.22

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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.