Home / 82,815.95-124,223.93-54,729.41

Finding the Fourth Proportional to 82,815.95, 124,223.93 and 54,729.41

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Solution

The fourth proportional to 82,815.95, 124,223.93 and 54,729.41 is: 82,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.95 : 124,223.93 = 54,729.41 : x
  2. Step 2: Convert to fraction form
    82,815.95/124,223.93 = 54,729.41/x
  3. Step 3: Cross multiply
    82,815.95x = 124,223.93 × 54,729.41
  4. Step 4: Simplify right side
    82,815.95x = 6,798,701,707.25
  5. Step 5: Solve for x
    x = 6,798,701,707.25/82,815.95
  6. Step 6: Final answer
    x = 82,094.11

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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.