Home / 86,799.75-119,784.38-47,055.75

Finding the Fourth Proportional to 86,799.75, 119,784.38 and 47,055.75

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Solution

The fourth proportional to 86,799.75, 119,784.38 and 47,055.75 is: 64,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,799.75 : 119,784.38 = 47,055.75 : x
  2. Step 2: Convert to fraction form
    86,799.75/119,784.38 = 47,055.75/x
  3. Step 3: Cross multiply
    86,799.75x = 119,784.38 × 47,055.75
  4. Step 4: Simplify right side
    86,799.75x = 5,636,543,603.91
  5. Step 5: Solve for x
    x = 5,636,543,603.91/86,799.75
  6. Step 6: Final answer
    x = 64,937.33

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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.