Home / 65,689.16-98,442.93-56,902.28

Finding the Fourth Proportional to 65,689.16, 98,442.93 and 56,902.28

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Solution

The fourth proportional to 65,689.16, 98,442.93 and 56,902.28 is: 85,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,689.16 : 98,442.93 = 56,902.28 : x
  2. Step 2: Convert to fraction form
    65,689.16/98,442.93 = 56,902.28/x
  3. Step 3: Cross multiply
    65,689.16x = 98,442.93 × 56,902.28
  4. Step 4: Simplify right side
    65,689.16x = 5,601,627,166.88
  5. Step 5: Solve for x
    x = 5,601,627,166.88/65,689.16
  6. Step 6: Final answer
    x = 85,274.76

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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.