Home / 86,859.28-119,871.54-48,622.36

Finding the Fourth Proportional to 86,859.28, 119,871.54 and 48,622.36

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Solution

The fourth proportional to 86,859.28, 119,871.54 and 48,622.36 is: 67,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859.28 : 119,871.54 = 48,622.36 : x
  2. Step 2: Convert to fraction form
    86,859.28/119,871.54 = 48,622.36/x
  3. Step 3: Cross multiply
    86,859.28x = 119,871.54 × 48,622.36
  4. Step 4: Simplify right side
    86,859.28x = 5,828,437,171.63
  5. Step 5: Solve for x
    x = 5,828,437,171.63/86,859.28
  6. Step 6: Final answer
    x = 67,102.07

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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.