Home / 86,551.28-119,439.16-48,825.52

Finding the Fourth Proportional to 86,551.28, 119,439.16 and 48,825.52

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Solution

The fourth proportional to 86,551.28, 119,439.16 and 48,825.52 is: 67,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.28 : 119,439.16 = 48,825.52 : x
  2. Step 2: Convert to fraction form
    86,551.28/119,439.16 = 48,825.52/x
  3. Step 3: Cross multiply
    86,551.28x = 119,439.16 × 48,825.52
  4. Step 4: Simplify right side
    86,551.28x = 5,831,679,095.36
  5. Step 5: Solve for x
    x = 5,831,679,095.36/86,551.28
  6. Step 6: Final answer
    x = 67,378.31

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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.