Home / 86,965.84-119,972.50-60,145.93

Finding the Fourth Proportional to 86,965.84, 119,972.50 and 60,145.93

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Solution

The fourth proportional to 86,965.84, 119,972.50 and 60,145.93 is: 82,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.84 : 119,972.50 = 60,145.93 : x
  2. Step 2: Convert to fraction form
    86,965.84/119,972.50 = 60,145.93/x
  3. Step 3: Cross multiply
    86,965.84x = 119,972.50 × 60,145.93
  4. Step 4: Simplify right side
    86,965.84x = 7,215,857,586.93
  5. Step 5: Solve for x
    x = 7,215,857,586.93/86,965.84
  6. Step 6: Final answer
    x = 82,973.47

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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.