Home / 84,238.95-116,212.48-57,005.33

Finding the Fourth Proportional to 84,238.95, 116,212.48 and 57,005.33

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Solution

The fourth proportional to 84,238.95, 116,212.48 and 57,005.33 is: 78,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.95 : 116,212.48 = 57,005.33 : x
  2. Step 2: Convert to fraction form
    84,238.95/116,212.48 = 57,005.33/x
  3. Step 3: Cross multiply
    84,238.95x = 116,212.48 × 57,005.33
  4. Step 4: Simplify right side
    84,238.95x = 6,624,730,772.52
  5. Step 5: Solve for x
    x = 6,624,730,772.52/84,238.95
  6. Step 6: Final answer
    x = 78,642.13

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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.