Home / 86,639.04-119,561.04-48,912.48

Finding the Fourth Proportional to 86,639.04, 119,561.04 and 48,912.48

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Solution

The fourth proportional to 86,639.04, 119,561.04 and 48,912.48 is: 67,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,639.04 : 119,561.04 = 48,912.48 : x
  2. Step 2: Convert to fraction form
    86,639.04/119,561.04 = 48,912.48/x
  3. Step 3: Cross multiply
    86,639.04x = 119,561.04 × 48,912.48
  4. Step 4: Simplify right side
    86,639.04x = 5,848,026,977.78
  5. Step 5: Solve for x
    x = 5,848,026,977.78/86,639.04
  6. Step 6: Final answer
    x = 67,498.75

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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.