Home / 89,822.03-134,746.89-30,643.91

Finding the Fourth Proportional to 89,822.03, 134,746.89 and 30,643.91

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Solution

The fourth proportional to 89,822.03, 134,746.89 and 30,643.91 is: 45,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,822.03 : 134,746.89 = 30,643.91 : x
  2. Step 2: Convert to fraction form
    89,822.03/134,746.89 = 30,643.91/x
  3. Step 3: Cross multiply
    89,822.03x = 134,746.89 × 30,643.91
  4. Step 4: Simplify right side
    89,822.03x = 4,129,170,742.99
  5. Step 5: Solve for x
    x = 4,129,170,742.99/89,822.03
  6. Step 6: Final answer
    x = 45,970.58

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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.