Home / 67,845.47-93,614.65-40,969.99

Finding the Fourth Proportional to 67,845.47, 93,614.65 and 40,969.99

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Solution

The fourth proportional to 67,845.47, 93,614.65 and 40,969.99 is: 56,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.47 : 93,614.65 = 40,969.99 : x
  2. Step 2: Convert to fraction form
    67,845.47/93,614.65 = 40,969.99/x
  3. Step 3: Cross multiply
    67,845.47x = 93,614.65 × 40,969.99
  4. Step 4: Simplify right side
    67,845.47x = 3,835,390,937.89
  5. Step 5: Solve for x
    x = 3,835,390,937.89/67,845.47
  6. Step 6: Final answer
    x = 56,531.27

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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.