Home / 86,077.91-118,787.05-47,316.62

Finding the Fourth Proportional to 86,077.91, 118,787.05 and 47,316.62

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Solution

The fourth proportional to 86,077.91, 118,787.05 and 47,316.62 is: 65,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,077.91 : 118,787.05 = 47,316.62 : x
  2. Step 2: Convert to fraction form
    86,077.91/118,787.05 = 47,316.62/x
  3. Step 3: Cross multiply
    86,077.91x = 118,787.05 × 47,316.62
  4. Step 4: Simplify right side
    86,077.91x = 5,620,601,705.77
  5. Step 5: Solve for x
    x = 5,620,601,705.77/86,077.91
  6. Step 6: Final answer
    x = 65,296.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.