Home / 53,711.20-74,053.33-38,416.17

Finding the Fourth Proportional to 53,711.20, 74,053.33 and 38,416.17

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Solution

The fourth proportional to 53,711.20, 74,053.33 and 38,416.17 is: 52,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.20 : 74,053.33 = 38,416.17 : x
  2. Step 2: Convert to fraction form
    53,711.20/74,053.33 = 38,416.17/x
  3. Step 3: Cross multiply
    53,711.20x = 74,053.33 × 38,416.17
  4. Step 4: Simplify right side
    53,711.20x = 2,844,845,314.35
  5. Step 5: Solve for x
    x = 2,844,845,314.35/53,711.20
  6. Step 6: Final answer
    x = 52,965.59

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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.