Home / 89,392.46-134,144.06-51,970.14

Finding the Fourth Proportional to 89,392.46, 134,144.06 and 51,970.14

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Solution

The fourth proportional to 89,392.46, 134,144.06 and 51,970.14 is: 77,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,392.46 : 134,144.06 = 51,970.14 : x
  2. Step 2: Convert to fraction form
    89,392.46/134,144.06 = 51,970.14/x
  3. Step 3: Cross multiply
    89,392.46x = 134,144.06 × 51,970.14
  4. Step 4: Simplify right side
    89,392.46x = 6,971,485,318.52
  5. Step 5: Solve for x
    x = 6,971,485,318.52/89,392.46
  6. Step 6: Final answer
    x = 77,987.40

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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.