Home / 53,754.93-74,191.50-31,090.77

Finding the Fourth Proportional to 53,754.93, 74,191.50 and 31,090.77

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Solution

The fourth proportional to 53,754.93, 74,191.50 and 31,090.77 is: 42,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,754.93 : 74,191.50 = 31,090.77 : x
  2. Step 2: Convert to fraction form
    53,754.93/74,191.50 = 31,090.77/x
  3. Step 3: Cross multiply
    53,754.93x = 74,191.50 × 31,090.77
  4. Step 4: Simplify right side
    53,754.93x = 2,306,670,862.46
  5. Step 5: Solve for x
    x = 2,306,670,862.46/53,754.93
  6. Step 6: Final answer
    x = 42,910.87

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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.