Home / 74,462.40-111,693.60-71,006.40

Finding the Fourth Proportional to 74,462.40, 111,693.60 and 71,006.40

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Solution

The fourth proportional to 74,462.40, 111,693.60 and 71,006.40 is: 106,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,462.40 : 111,693.60 = 71,006.40 : x
  2. Step 2: Convert to fraction form
    74,462.40/111,693.60 = 71,006.40/x
  3. Step 3: Cross multiply
    74,462.40x = 111,693.60 × 71,006.40
  4. Step 4: Simplify right side
    74,462.40x = 7,930,960,439.04
  5. Step 5: Solve for x
    x = 7,930,960,439.04/74,462.40
  6. Step 6: Final answer
    x = 106,509.60

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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.