Home / 72,214.49-99,669.77-48,382.71

Finding the Fourth Proportional to 72,214.49, 99,669.77 and 48,382.71

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Solution

The fourth proportional to 72,214.49, 99,669.77 and 48,382.71 is: 66,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.49 : 99,669.77 = 48,382.71 : x
  2. Step 2: Convert to fraction form
    72,214.49/99,669.77 = 48,382.71/x
  3. Step 3: Cross multiply
    72,214.49x = 99,669.77 × 48,382.71
  4. Step 4: Simplify right side
    72,214.49x = 4,822,293,335.76
  5. Step 5: Solve for x
    x = 4,822,293,335.76/72,214.49
  6. Step 6: Final answer
    x = 66,777.37

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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.