Home / 70,877.03-106,316.34-30,345.09

Finding the Fourth Proportional to 70,877.03, 106,316.34 and 30,345.09

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Solution

The fourth proportional to 70,877.03, 106,316.34 and 30,345.09 is: 45,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,877.03 : 106,316.34 = 30,345.09 : x
  2. Step 2: Convert to fraction form
    70,877.03/106,316.34 = 30,345.09/x
  3. Step 3: Cross multiply
    70,877.03x = 106,316.34 × 30,345.09
  4. Step 4: Simplify right side
    70,877.03x = 3,226,178,222.46
  5. Step 5: Solve for x
    x = 3,226,178,222.46/70,877.03
  6. Step 6: Final answer
    x = 45,517.97

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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.