Home / 89,566.02-134,328.03-39,618.90

Finding the Fourth Proportional to 89,566.02, 134,328.03 and 39,618.90

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Solution

The fourth proportional to 89,566.02, 134,328.03 and 39,618.90 is: 59,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,566.02 : 134,328.03 = 39,618.90 : x
  2. Step 2: Convert to fraction form
    89,566.02/134,328.03 = 39,618.90/x
  3. Step 3: Cross multiply
    89,566.02x = 134,328.03 × 39,618.90
  4. Step 4: Simplify right side
    89,566.02x = 5,321,928,787.77
  5. Step 5: Solve for x
    x = 5,321,928,787.77/89,566.02
  6. Step 6: Final answer
    x = 59,419.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.