Home / 85,957.47-129,010.01-48,554.28

Finding the Fourth Proportional to 85,957.47, 129,010.01 and 48,554.28

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Solution

The fourth proportional to 85,957.47, 129,010.01 and 48,554.28 is: 72,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,957.47 : 129,010.01 = 48,554.28 : x
  2. Step 2: Convert to fraction form
    85,957.47/129,010.01 = 48,554.28/x
  3. Step 3: Cross multiply
    85,957.47x = 129,010.01 × 48,554.28
  4. Step 4: Simplify right side
    85,957.47x = 6,263,987,905.57
  5. Step 5: Solve for x
    x = 6,263,987,905.57/85,957.47
  6. Step 6: Final answer
    x = 72,873.11

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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.