Home / 89,051.52-133,527.24-61,003.20

Finding the Fourth Proportional to 89,051.52, 133,527.24 and 61,003.20

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Solution

The fourth proportional to 89,051.52, 133,527.24 and 61,003.20 is: 91,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.52 : 133,527.24 = 61,003.20 : x
  2. Step 2: Convert to fraction form
    89,051.52/133,527.24 = 61,003.20/x
  3. Step 3: Cross multiply
    89,051.52x = 133,527.24 × 61,003.20
  4. Step 4: Simplify right side
    89,051.52x = 8,145,588,927.17
  5. Step 5: Solve for x
    x = 8,145,588,927.17/89,051.52
  6. Step 6: Final answer
    x = 91,470.52

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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.