Home / 53,748.12-74,170.98-29,875.80

Finding the Fourth Proportional to 53,748.12, 74,170.98 and 29,875.80

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Solution

The fourth proportional to 53,748.12, 74,170.98 and 29,875.80 is: 41,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.12 : 74,170.98 = 29,875.80 : x
  2. Step 2: Convert to fraction form
    53,748.12/74,170.98 = 29,875.80/x
  3. Step 3: Cross multiply
    53,748.12x = 74,170.98 × 29,875.80
  4. Step 4: Simplify right side
    53,748.12x = 2,215,917,364.28
  5. Step 5: Solve for x
    x = 2,215,917,364.28/53,748.12
  6. Step 6: Final answer
    x = 41,227.81

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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.