Home / 65,068.10-97,603.77-18,320.66

Finding the Fourth Proportional to 65,068.10, 97,603.77 and 18,320.66

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Solution

The fourth proportional to 65,068.10, 97,603.77 and 18,320.66 is: 27,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,068.10 : 97,603.77 = 18,320.66 : x
  2. Step 2: Convert to fraction form
    65,068.10/97,603.77 = 18,320.66/x
  3. Step 3: Cross multiply
    65,068.10x = 97,603.77 × 18,320.66
  4. Step 4: Simplify right side
    65,068.10x = 1,788,165,484.89
  5. Step 5: Solve for x
    x = 1,788,165,484.89/65,068.10
  6. Step 6: Final answer
    x = 27,481.45

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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.