Home / 81,828.39-112,776.39-60,570.75

Finding the Fourth Proportional to 81,828.39, 112,776.39 and 60,570.75

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Solution

The fourth proportional to 81,828.39, 112,776.39 and 60,570.75 is: 83,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,828.39 : 112,776.39 = 60,570.75 : x
  2. Step 2: Convert to fraction form
    81,828.39/112,776.39 = 60,570.75/x
  3. Step 3: Cross multiply
    81,828.39x = 112,776.39 × 60,570.75
  4. Step 4: Simplify right side
    81,828.39x = 6,830,950,524.59
  5. Step 5: Solve for x
    x = 6,830,950,524.59/81,828.39
  6. Step 6: Final answer
    x = 83,478.98

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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.