Home / 65,143.47-97,567.56-51,015.45

Finding the Fourth Proportional to 65,143.47, 97,567.56 and 51,015.45

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Solution

The fourth proportional to 65,143.47, 97,567.56 and 51,015.45 is: 76,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.47 : 97,567.56 = 51,015.45 : x
  2. Step 2: Convert to fraction form
    65,143.47/97,567.56 = 51,015.45/x
  3. Step 3: Cross multiply
    65,143.47x = 97,567.56 × 51,015.45
  4. Step 4: Simplify right side
    65,143.47x = 4,977,452,978.80
  5. Step 5: Solve for x
    x = 4,977,452,978.80/65,143.47
  6. Step 6: Final answer
    x = 76,407.55

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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.