Home / 74,007.70-111,011.55-58,261.30

Finding the Fourth Proportional to 74,007.70, 111,011.55 and 58,261.30

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Solution

The fourth proportional to 74,007.70, 111,011.55 and 58,261.30 is: 87,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007.70 : 111,011.55 = 58,261.30 : x
  2. Step 2: Convert to fraction form
    74,007.70/111,011.55 = 58,261.30/x
  3. Step 3: Cross multiply
    74,007.70x = 111,011.55 × 58,261.30
  4. Step 4: Simplify right side
    74,007.70x = 6,467,677,218.02
  5. Step 5: Solve for x
    x = 6,467,677,218.02/74,007.70
  6. Step 6: Final answer
    x = 87,391.95

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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.