Home / 53,655.44-74,045.70-29,781.76

Finding the Fourth Proportional to 53,655.44, 74,045.70 and 29,781.76

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Solution

The fourth proportional to 53,655.44, 74,045.70 and 29,781.76 is: 41,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.44 : 74,045.70 = 29,781.76 : x
  2. Step 2: Convert to fraction form
    53,655.44/74,045.70 = 29,781.76/x
  3. Step 3: Cross multiply
    53,655.44x = 74,045.70 × 29,781.76
  4. Step 4: Simplify right side
    53,655.44x = 2,205,211,266.43
  5. Step 5: Solve for x
    x = 2,205,211,266.43/53,655.44
  6. Step 6: Final answer
    x = 41,099.49

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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.