Home / 86,904.76-119,928.56-47,160.76

Finding the Fourth Proportional to 86,904.76, 119,928.56 and 47,160.76

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Solution

The fourth proportional to 86,904.76, 119,928.56 and 47,160.76 is: 65,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904.76 : 119,928.56 = 47,160.76 : x
  2. Step 2: Convert to fraction form
    86,904.76/119,928.56 = 47,160.76/x
  3. Step 3: Cross multiply
    86,904.76x = 119,928.56 × 47,160.76
  4. Step 4: Simplify right side
    86,904.76x = 5,655,922,035.31
  5. Step 5: Solve for x
    x = 5,655,922,035.31/86,904.76
  6. Step 6: Final answer
    x = 65,081.84

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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.