Home / 95,512.84-143,220-42,877.18

Finding the Fourth Proportional to 95,512.84, 143,220 and 42,877.18

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Solution

The fourth proportional to 95,512.84, 143,220 and 42,877.18 is: 64,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,512.84 : 143,220 = 42,877.18 : x
  2. Step 2: Convert to fraction form
    95,512.84/143,220 = 42,877.18/x
  3. Step 3: Cross multiply
    95,512.84x = 143,220 × 42,877.18
  4. Step 4: Simplify right side
    95,512.84x = 6,140,869,719.60
  5. Step 5: Solve for x
    x = 6,140,869,719.60/95,512.84
  6. Step 6: Final answer
    x = 64,293.66

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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.