Home / 75,502.09-113,331.82-73,807.81

Finding the Fourth Proportional to 75,502.09, 113,331.82 and 73,807.81

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Solution

The fourth proportional to 75,502.09, 113,331.82 and 73,807.81 is: 110,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.09 : 113,331.82 = 73,807.81 : x
  2. Step 2: Convert to fraction form
    75,502.09/113,331.82 = 73,807.81/x
  3. Step 3: Cross multiply
    75,502.09x = 113,331.82 × 73,807.81
  4. Step 4: Simplify right side
    75,502.09x = 8,364,773,068.48
  5. Step 5: Solve for x
    x = 8,364,773,068.48/75,502.09
  6. Step 6: Final answer
    x = 110,788.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.