Home / 65,124.25-97,685.31-20,750.40

Finding the Fourth Proportional to 65,124.25, 97,685.31 and 20,750.40

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Solution

The fourth proportional to 65,124.25, 97,685.31 and 20,750.40 is: 31,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,124.25 : 97,685.31 = 20,750.40 : x
  2. Step 2: Convert to fraction form
    65,124.25/97,685.31 = 20,750.40/x
  3. Step 3: Cross multiply
    65,124.25x = 97,685.31 × 20,750.40
  4. Step 4: Simplify right side
    65,124.25x = 2,027,009,256.62
  5. Step 5: Solve for x
    x = 2,027,009,256.62/65,124.25
  6. Step 6: Final answer
    x = 31,125.26

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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.