Home / 67,572.78-93,243.51-39,276.06

Finding the Fourth Proportional to 67,572.78, 93,243.51 and 39,276.06

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Solution

The fourth proportional to 67,572.78, 93,243.51 and 39,276.06 is: 54,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,572.78 : 93,243.51 = 39,276.06 : x
  2. Step 2: Convert to fraction form
    67,572.78/93,243.51 = 39,276.06/x
  3. Step 3: Cross multiply
    67,572.78x = 93,243.51 × 39,276.06
  4. Step 4: Simplify right side
    67,572.78x = 3,662,237,693.37
  5. Step 5: Solve for x
    x = 3,662,237,693.37/67,572.78
  6. Step 6: Final answer
    x = 54,196.94

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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.