Home / 86,870.28-119,868.23-48,627.84

Finding the Fourth Proportional to 86,870.28, 119,868.23 and 48,627.84

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Solution

The fourth proportional to 86,870.28, 119,868.23 and 48,627.84 is: 67,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,870.28 : 119,868.23 = 48,627.84 : x
  2. Step 2: Convert to fraction form
    86,870.28/119,868.23 = 48,627.84/x
  3. Step 3: Cross multiply
    86,870.28x = 119,868.23 × 48,627.84
  4. Step 4: Simplify right side
    86,870.28x = 5,828,933,231.09
  5. Step 5: Solve for x
    x = 5,828,933,231.09/86,870.28
  6. Step 6: Final answer
    x = 67,099.28

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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.