Home / 75,810.28-104,585.70-45,587.56

Finding the Fourth Proportional to 75,810.28, 104,585.70 and 45,587.56

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Solution

The fourth proportional to 75,810.28, 104,585.70 and 45,587.56 is: 62,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,810.28 : 104,585.70 = 45,587.56 : x
  2. Step 2: Convert to fraction form
    75,810.28/104,585.70 = 45,587.56/x
  3. Step 3: Cross multiply
    75,810.28x = 104,585.70 × 45,587.56
  4. Step 4: Simplify right side
    75,810.28x = 4,767,806,873.89
  5. Step 5: Solve for x
    x = 4,767,806,873.89/75,810.28
  6. Step 6: Final answer
    x = 62,891.30

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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.