Home / 97,421.92-146,015.40-47,427.12

Finding the Fourth Proportional to 97,421.92, 146,015.40 and 47,427.12

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Solution

The fourth proportional to 97,421.92, 146,015.40 and 47,427.12 is: 71,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,421.92 : 146,015.40 = 47,427.12 : x
  2. Step 2: Convert to fraction form
    97,421.92/146,015.40 = 47,427.12/x
  3. Step 3: Cross multiply
    97,421.92x = 146,015.40 × 47,427.12
  4. Step 4: Simplify right side
    97,421.92x = 6,925,089,897.65
  5. Step 5: Solve for x
    x = 6,925,089,897.65/97,421.92
  6. Step 6: Final answer
    x = 71,083.49

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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.