Home / 42,090.48-63,133.20-15,793.02

Finding the Fourth Proportional to 42,090.48, 63,133.20 and 15,793.02

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Solution

The fourth proportional to 42,090.48, 63,133.20 and 15,793.02 is: 23,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,090.48 : 63,133.20 = 15,793.02 : x
  2. Step 2: Convert to fraction form
    42,090.48/63,133.20 = 15,793.02/x
  3. Step 3: Cross multiply
    42,090.48x = 63,133.20 × 15,793.02
  4. Step 4: Simplify right side
    42,090.48x = 997,063,890.26
  5. Step 5: Solve for x
    x = 997,063,890.26/42,090.48
  6. Step 6: Final answer
    x = 23,688.58

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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.