Home / 67,625.16-93,329.70-38,945.76

Finding the Fourth Proportional to 67,625.16, 93,329.70 and 38,945.76

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Solution

The fourth proportional to 67,625.16, 93,329.70 and 38,945.76 is: 53,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,625.16 : 93,329.70 = 38,945.76 : x
  2. Step 2: Convert to fraction form
    67,625.16/93,329.70 = 38,945.76/x
  3. Step 3: Cross multiply
    67,625.16x = 93,329.70 × 38,945.76
  4. Step 4: Simplify right side
    67,625.16x = 3,634,796,097.07
  5. Step 5: Solve for x
    x = 3,634,796,097.07/67,625.16
  6. Step 6: Final answer
    x = 53,749.17

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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.