Home / 74,964.61-103,450.98-42,699.22

Finding the Fourth Proportional to 74,964.61, 103,450.98 and 42,699.22

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Solution

The fourth proportional to 74,964.61, 103,450.98 and 42,699.22 is: 58,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.61 : 103,450.98 = 42,699.22 : x
  2. Step 2: Convert to fraction form
    74,964.61/103,450.98 = 42,699.22/x
  3. Step 3: Cross multiply
    74,964.61x = 103,450.98 × 42,699.22
  4. Step 4: Simplify right side
    74,964.61x = 4,417,276,154.24
  5. Step 5: Solve for x
    x = 4,417,276,154.24/74,964.61
  6. Step 6: Final answer
    x = 58,924.82

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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.