Home / 53,877.67-74,350.77-31,216.17

Finding the Fourth Proportional to 53,877.67, 74,350.77 and 31,216.17

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Solution

The fourth proportional to 53,877.67, 74,350.77 and 31,216.17 is: 43,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,877.67 : 74,350.77 = 31,216.17 : x
  2. Step 2: Convert to fraction form
    53,877.67/74,350.77 = 31,216.17/x
  3. Step 3: Cross multiply
    53,877.67x = 74,350.77 × 31,216.17
  4. Step 4: Simplify right side
    53,877.67x = 2,320,946,275.95
  5. Step 5: Solve for x
    x = 2,320,946,275.95/53,877.67
  6. Step 6: Final answer
    x = 43,078.07

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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.