Home / 53,701.91-74,118.34-31,037.77

Finding the Fourth Proportional to 53,701.91, 74,118.34 and 31,037.77

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Solution

The fourth proportional to 53,701.91, 74,118.34 and 31,037.77 is: 42,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.91 : 74,118.34 = 31,037.77 : x
  2. Step 2: Convert to fraction form
    53,701.91/74,118.34 = 31,037.77/x
  3. Step 3: Cross multiply
    53,701.91x = 74,118.34 × 31,037.77
  4. Step 4: Simplify right side
    53,701.91x = 2,300,467,989.70
  5. Step 5: Solve for x
    x = 2,300,467,989.70/53,701.91
  6. Step 6: Final answer
    x = 42,837.73

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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.