Home / 62,867.33-86,741.68-39,888.76

Finding the Fourth Proportional to 62,867.33, 86,741.68 and 39,888.76

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Solution

The fourth proportional to 62,867.33, 86,741.68 and 39,888.76 is: 55,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,867.33 : 86,741.68 = 39,888.76 : x
  2. Step 2: Convert to fraction form
    62,867.33/86,741.68 = 39,888.76/x
  3. Step 3: Cross multiply
    62,867.33x = 86,741.68 × 39,888.76
  4. Step 4: Simplify right side
    62,867.33x = 3,460,018,055.52
  5. Step 5: Solve for x
    x = 3,460,018,055.52/62,867.33
  6. Step 6: Final answer
    x = 55,036.82

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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.