Home / 74,719.04-103,118.44-42,894.08

Finding the Fourth Proportional to 74,719.04, 103,118.44 and 42,894.08

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Solution

The fourth proportional to 74,719.04, 103,118.44 and 42,894.08 is: 59,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,719.04 : 103,118.44 = 42,894.08 : x
  2. Step 2: Convert to fraction form
    74,719.04/103,118.44 = 42,894.08/x
  3. Step 3: Cross multiply
    74,719.04x = 103,118.44 × 42,894.08
  4. Step 4: Simplify right side
    74,719.04x = 4,423,170,614.84
  5. Step 5: Solve for x
    x = 4,423,170,614.84/74,719.04
  6. Step 6: Final answer
    x = 59,197.37

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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.