Home / 65,145.43-97,706.28-19,543.75

Finding the Fourth Proportional to 65,145.43, 97,706.28 and 19,543.75

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Solution

The fourth proportional to 65,145.43, 97,706.28 and 19,543.75 is: 29,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,145.43 : 97,706.28 = 19,543.75 : x
  2. Step 2: Convert to fraction form
    65,145.43/97,706.28 = 19,543.75/x
  3. Step 3: Cross multiply
    65,145.43x = 97,706.28 × 19,543.75
  4. Step 4: Simplify right side
    65,145.43x = 1,909,546,938.77
  5. Step 5: Solve for x
    x = 1,909,546,938.77/65,145.43
  6. Step 6: Final answer
    x = 29,312.06

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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.