Home / 65,312.69-98,190.50-52,153.79

Finding the Fourth Proportional to 65,312.69, 98,190.50 and 52,153.79

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Solution

The fourth proportional to 65,312.69, 98,190.50 and 52,153.79 is: 78,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,312.69 : 98,190.50 = 52,153.79 : x
  2. Step 2: Convert to fraction form
    65,312.69/98,190.50 = 52,153.79/x
  3. Step 3: Cross multiply
    65,312.69x = 98,190.50 × 52,153.79
  4. Step 4: Simplify right side
    65,312.69x = 5,121,005,965.27
  5. Step 5: Solve for x
    x = 5,121,005,965.27/65,312.69
  6. Step 6: Final answer
    x = 78,407.52

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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.