Home / 75,428.28-104,091.72-41,437.50

Finding the Fourth Proportional to 75,428.28, 104,091.72 and 41,437.50

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Solution

The fourth proportional to 75,428.28, 104,091.72 and 41,437.50 is: 57,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,428.28 : 104,091.72 = 41,437.50 : x
  2. Step 2: Convert to fraction form
    75,428.28/104,091.72 = 41,437.50/x
  3. Step 3: Cross multiply
    75,428.28x = 104,091.72 × 41,437.50
  4. Step 4: Simplify right side
    75,428.28x = 4,313,300,647.50
  5. Step 5: Solve for x
    x = 4,313,300,647.50/75,428.28
  6. Step 6: Final answer
    x = 57,184.13

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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.