Home / 47,020.08-70,480.59-15,421.93

Finding the Fourth Proportional to 47,020.08, 70,480.59 and 15,421.93

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Solution

The fourth proportional to 47,020.08, 70,480.59 and 15,421.93 is: 23,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.08 : 70,480.59 = 15,421.93 : x
  2. Step 2: Convert to fraction form
    47,020.08/70,480.59 = 15,421.93/x
  3. Step 3: Cross multiply
    47,020.08x = 70,480.59 × 15,421.93
  4. Step 4: Simplify right side
    47,020.08x = 1,086,946,725.34
  5. Step 5: Solve for x
    x = 1,086,946,725.34/47,020.08
  6. Step 6: Final answer
    x = 23,116.65

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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.