Home / 86,935.33-119,962.66-49,209.58

Finding the Fourth Proportional to 86,935.33, 119,962.66 and 49,209.58

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Solution

The fourth proportional to 86,935.33, 119,962.66 and 49,209.58 is: 67,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.33 : 119,962.66 = 49,209.58 : x
  2. Step 2: Convert to fraction form
    86,935.33/119,962.66 = 49,209.58/x
  3. Step 3: Cross multiply
    86,935.33x = 119,962.66 × 49,209.58
  4. Step 4: Simplify right side
    86,935.33x = 5,903,312,114.28
  5. Step 5: Solve for x
    x = 5,903,312,114.28/86,935.33
  6. Step 6: Final answer
    x = 67,904.64

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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.