Home / 75,980.16-104,849.28-42,445.44

Finding the Fourth Proportional to 75,980.16, 104,849.28 and 42,445.44

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Solution

The fourth proportional to 75,980.16, 104,849.28 and 42,445.44 is: 58,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.16 : 104,849.28 = 42,445.44 : x
  2. Step 2: Convert to fraction form
    75,980.16/104,849.28 = 42,445.44/x
  3. Step 3: Cross multiply
    75,980.16x = 104,849.28 × 42,445.44
  4. Step 4: Simplify right side
    75,980.16x = 4,450,373,823.28
  5. Step 5: Solve for x
    x = 4,450,373,823.28/75,980.16
  6. Step 6: Final answer
    x = 58,572.84

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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.