Home / 75,899.61-104,741.37-42,365.61

Finding the Fourth Proportional to 75,899.61, 104,741.37 and 42,365.61

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Solution

The fourth proportional to 75,899.61, 104,741.37 and 42,365.61 is: 58,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899.61 : 104,741.37 = 42,365.61 : x
  2. Step 2: Convert to fraction form
    75,899.61/104,741.37 = 42,365.61/x
  3. Step 3: Cross multiply
    75,899.61x = 104,741.37 × 42,365.61
  4. Step 4: Simplify right side
    75,899.61x = 4,437,432,032.29
  5. Step 5: Solve for x
    x = 4,437,432,032.29/75,899.61
  6. Step 6: Final answer
    x = 58,464.49

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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.