Home / 67,411.36-93,035.92-38,730.98

Finding the Fourth Proportional to 67,411.36, 93,035.92 and 38,730.98

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Solution

The fourth proportional to 67,411.36, 93,035.92 and 38,730.98 is: 53,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,411.36 : 93,035.92 = 38,730.98 : x
  2. Step 2: Convert to fraction form
    67,411.36/93,035.92 = 38,730.98/x
  3. Step 3: Cross multiply
    67,411.36x = 93,035.92 × 38,730.98
  4. Step 4: Simplify right side
    67,411.36x = 3,603,372,356.80
  5. Step 5: Solve for x
    x = 3,603,372,356.80/67,411.36
  6. Step 6: Final answer
    x = 53,453.49

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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.