Home / 67,655.38-93,374.32-38,969.46

Finding the Fourth Proportional to 67,655.38, 93,374.32 and 38,969.46

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Solution

The fourth proportional to 67,655.38, 93,374.32 and 38,969.46 is: 53,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,655.38 : 93,374.32 = 38,969.46 : x
  2. Step 2: Convert to fraction form
    67,655.38/93,374.32 = 38,969.46/x
  3. Step 3: Cross multiply
    67,655.38x = 93,374.32 × 38,969.46
  4. Step 4: Simplify right side
    67,655.38x = 3,638,746,828.27
  5. Step 5: Solve for x
    x = 3,638,746,828.27/67,655.38
  6. Step 6: Final answer
    x = 53,783.55

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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.