Home / 89,439.76-134,196.35-47,308.58

Finding the Fourth Proportional to 89,439.76, 134,196.35 and 47,308.58

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Solution

The fourth proportional to 89,439.76, 134,196.35 and 47,308.58 is: 70,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,439.76 : 134,196.35 = 47,308.58 : x
  2. Step 2: Convert to fraction form
    89,439.76/134,196.35 = 47,308.58/x
  3. Step 3: Cross multiply
    89,439.76x = 134,196.35 × 47,308.58
  4. Step 4: Simplify right side
    89,439.76x = 6,348,637,852.16
  5. Step 5: Solve for x
    x = 6,348,637,852.16/89,439.76
  6. Step 6: Final answer
    x = 70,982.28

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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.