Home / 89,968.50-134,943.08-47,803.91

Finding the Fourth Proportional to 89,968.50, 134,943.08 and 47,803.91

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Solution

The fourth proportional to 89,968.50, 134,943.08 and 47,803.91 is: 71,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,968.50 : 134,943.08 = 47,803.91 : x
  2. Step 2: Convert to fraction form
    89,968.50/134,943.08 = 47,803.91/x
  3. Step 3: Cross multiply
    89,968.50x = 134,943.08 × 47,803.91
  4. Step 4: Simplify right side
    89,968.50x = 6,450,805,937.71
  5. Step 5: Solve for x
    x = 6,450,805,937.71/89,968.50
  6. Step 6: Final answer
    x = 71,700.72

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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.