Home / 64,543.10-89,070.62-35,865.41

Finding the Fourth Proportional to 64,543.10, 89,070.62 and 35,865.41

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Solution

The fourth proportional to 64,543.10, 89,070.62 and 35,865.41 is: 49,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,543.10 : 89,070.62 = 35,865.41 : x
  2. Step 2: Convert to fraction form
    64,543.10/89,070.62 = 35,865.41/x
  3. Step 3: Cross multiply
    64,543.10x = 89,070.62 × 35,865.41
  4. Step 4: Simplify right side
    64,543.10x = 3,194,553,680.57
  5. Step 5: Solve for x
    x = 3,194,553,680.57/64,543.10
  6. Step 6: Final answer
    x = 49,494.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.