Home / 53,814.66-74,257.80-31,160.76

Finding the Fourth Proportional to 53,814.66, 74,257.80 and 31,160.76

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Solution

The fourth proportional to 53,814.66, 74,257.80 and 31,160.76 is: 42,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,814.66 : 74,257.80 = 31,160.76 : x
  2. Step 2: Convert to fraction form
    53,814.66/74,257.80 = 31,160.76/x
  3. Step 3: Cross multiply
    53,814.66x = 74,257.80 × 31,160.76
  4. Step 4: Simplify right side
    53,814.66x = 2,313,929,483.93
  5. Step 5: Solve for x
    x = 2,313,929,483.93/53,814.66
  6. Step 6: Final answer
    x = 42,998.13

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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.