Home / 65,800.23-98,714.93-30,720.75

Finding the Fourth Proportional to 65,800.23, 98,714.93 and 30,720.75

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Solution

The fourth proportional to 65,800.23, 98,714.93 and 30,720.75 is: 46,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800.23 : 98,714.93 = 30,720.75 : x
  2. Step 2: Convert to fraction form
    65,800.23/98,714.93 = 30,720.75/x
  3. Step 3: Cross multiply
    65,800.23x = 98,714.93 × 30,720.75
  4. Step 4: Simplify right side
    65,800.23x = 3,032,596,532.19
  5. Step 5: Solve for x
    x = 3,032,596,532.19/65,800.23
  6. Step 6: Final answer
    x = 46,087.93

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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.