Home / 67,807.47-93,509.39-40,578.92

Finding the Fourth Proportional to 67,807.47, 93,509.39 and 40,578.92

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Solution

The fourth proportional to 67,807.47, 93,509.39 and 40,578.92 is: 55,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807.47 : 93,509.39 = 40,578.92 : x
  2. Step 2: Convert to fraction form
    67,807.47/93,509.39 = 40,578.92/x
  3. Step 3: Cross multiply
    67,807.47x = 93,509.39 × 40,578.92
  4. Step 4: Simplify right side
    67,807.47x = 3,794,509,875.01
  5. Step 5: Solve for x
    x = 3,794,509,875.01/67,807.47
  6. Step 6: Final answer
    x = 55,960.06

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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.