Home / 75,083.68-103,637.64-43,274.98

Finding the Fourth Proportional to 75,083.68, 103,637.64 and 43,274.98

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Solution

The fourth proportional to 75,083.68, 103,637.64 and 43,274.98 is: 59,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.68 : 103,637.64 = 43,274.98 : x
  2. Step 2: Convert to fraction form
    75,083.68/103,637.64 = 43,274.98/x
  3. Step 3: Cross multiply
    75,083.68x = 103,637.64 × 43,274.98
  4. Step 4: Simplify right side
    75,083.68x = 4,484,916,798.25
  5. Step 5: Solve for x
    x = 4,484,916,798.25/75,083.68
  6. Step 6: Final answer
    x = 59,732.25

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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.