Home / 67,637.45-93,333.54-38,949.47

Finding the Fourth Proportional to 67,637.45, 93,333.54 and 38,949.47

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Solution

The fourth proportional to 67,637.45, 93,333.54 and 38,949.47 is: 53,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.45 : 93,333.54 = 38,949.47 : x
  2. Step 2: Convert to fraction form
    67,637.45/93,333.54 = 38,949.47/x
  3. Step 3: Cross multiply
    67,637.45x = 93,333.54 × 38,949.47
  4. Step 4: Simplify right side
    67,637.45x = 3,635,291,916.22
  5. Step 5: Solve for x
    x = 3,635,291,916.22/67,637.45
  6. Step 6: Final answer
    x = 53,746.73

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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.