Home / 86,938.16-119,966.58-49,212.41

Finding the Fourth Proportional to 86,938.16, 119,966.58 and 49,212.41

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Solution

The fourth proportional to 86,938.16, 119,966.58 and 49,212.41 is: 67,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938.16 : 119,966.58 = 49,212.41 : x
  2. Step 2: Convert to fraction form
    86,938.16/119,966.58 = 49,212.41/x
  3. Step 3: Cross multiply
    86,938.16x = 119,966.58 × 49,212.41
  4. Step 4: Simplify right side
    86,938.16x = 5,903,844,521.26
  5. Step 5: Solve for x
    x = 5,903,844,521.26/86,938.16
  6. Step 6: Final answer
    x = 67,908.55

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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.