Home / 109,319.02-150,833.88-61,572.34

Finding the Fourth Proportional to 109,319.02, 150,833.88 and 61,572.34

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Solution

The fourth proportional to 109,319.02, 150,833.88 and 61,572.34 is: 84,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.02 : 150,833.88 = 61,572.34 : x
  2. Step 2: Convert to fraction form
    109,319.02/150,833.88 = 61,572.34/x
  3. Step 3: Cross multiply
    109,319.02x = 150,833.88 × 61,572.34
  4. Step 4: Simplify right side
    109,319.02x = 9,287,194,942.88
  5. Step 5: Solve for x
    x = 9,287,194,942.88/109,319.02
  6. Step 6: Final answer
    x = 84,954.98

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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.