Home / 65,800.68-98,699.40-30,779.52

Finding the Fourth Proportional to 65,800.68, 98,699.40 and 30,779.52

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Solution

The fourth proportional to 65,800.68, 98,699.40 and 30,779.52 is: 46,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800.68 : 98,699.40 = 30,779.52 : x
  2. Step 2: Convert to fraction form
    65,800.68/98,699.40 = 30,779.52/x
  3. Step 3: Cross multiply
    65,800.68x = 98,699.40 × 30,779.52
  4. Step 4: Simplify right side
    65,800.68x = 3,037,920,156.29
  5. Step 5: Solve for x
    x = 3,037,920,156.29/65,800.68
  6. Step 6: Final answer
    x = 46,168.52

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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.