Home / 73,068.24-100,836.78-42,439.08

Finding the Fourth Proportional to 73,068.24, 100,836.78 and 42,439.08

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Solution

The fourth proportional to 73,068.24, 100,836.78 and 42,439.08 is: 58,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.24 : 100,836.78 = 42,439.08 : x
  2. Step 2: Convert to fraction form
    73,068.24/100,836.78 = 42,439.08/x
  3. Step 3: Cross multiply
    73,068.24x = 100,836.78 × 42,439.08
  4. Step 4: Simplify right side
    73,068.24x = 4,279,420,173.36
  5. Step 5: Solve for x
    x = 4,279,420,173.36/73,068.24
  6. Step 6: Final answer
    x = 58,567.45

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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.