Home / 89,386.08-134,108.26-42,632.88

Finding the Fourth Proportional to 89,386.08, 134,108.26 and 42,632.88

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Solution

The fourth proportional to 89,386.08, 134,108.26 and 42,632.88 is: 63,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.08 : 134,108.26 = 42,632.88 : x
  2. Step 2: Convert to fraction form
    89,386.08/134,108.26 = 42,632.88/x
  3. Step 3: Cross multiply
    89,386.08x = 134,108.26 × 42,632.88
  4. Step 4: Simplify right side
    89,386.08x = 5,717,421,355.59
  5. Step 5: Solve for x
    x = 5,717,421,355.59/89,386.08
  6. Step 6: Final answer
    x = 63,963.22

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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.