Home / 53,910.99-74,397.93-31,251.63

Finding the Fourth Proportional to 53,910.99, 74,397.93 and 31,251.63

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Solution

The fourth proportional to 53,910.99, 74,397.93 and 31,251.63 is: 43,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.99 : 74,397.93 = 31,251.63 : x
  2. Step 2: Convert to fraction form
    53,910.99/74,397.93 = 31,251.63/x
  3. Step 3: Cross multiply
    53,910.99x = 74,397.93 × 31,251.63
  4. Step 4: Simplify right side
    53,910.99x = 2,325,056,581.13
  5. Step 5: Solve for x
    x = 2,325,056,581.13/53,910.99
  6. Step 6: Final answer
    x = 43,127.69

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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.