Home / 76,806.02-115,261.28-47,133.29

Finding the Fourth Proportional to 76,806.02, 115,261.28 and 47,133.29

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Solution

The fourth proportional to 76,806.02, 115,261.28 and 47,133.29 is: 70,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806.02 : 115,261.28 = 47,133.29 : x
  2. Step 2: Convert to fraction form
    76,806.02/115,261.28 = 47,133.29/x
  3. Step 3: Cross multiply
    76,806.02x = 115,261.28 × 47,133.29
  4. Step 4: Simplify right side
    76,806.02x = 5,432,643,565.25
  5. Step 5: Solve for x
    x = 5,432,643,565.25/76,806.02
  6. Step 6: Final answer
    x = 70,732.00

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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.