Home / 102,881.87-154,182.60-49,570.01

Finding the Fourth Proportional to 102,881.87, 154,182.60 and 49,570.01

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Solution

The fourth proportional to 102,881.87, 154,182.60 and 49,570.01 is: 74,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,881.87 : 154,182.60 = 49,570.01 : x
  2. Step 2: Convert to fraction form
    102,881.87/154,182.60 = 49,570.01/x
  3. Step 3: Cross multiply
    102,881.87x = 154,182.60 × 49,570.01
  4. Step 4: Simplify right side
    102,881.87x = 7,642,833,023.83
  5. Step 5: Solve for x
    x = 7,642,833,023.83/102,881.87
  6. Step 6: Final answer
    x = 74,287.46

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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.