Home / 65,800.18-98,698.65-30,779.02

Finding the Fourth Proportional to 65,800.18, 98,698.65 and 30,779.02

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Solution

The fourth proportional to 65,800.18, 98,698.65 and 30,779.02 is: 46,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800.18 : 98,698.65 = 30,779.02 : x
  2. Step 2: Convert to fraction form
    65,800.18/98,698.65 = 30,779.02/x
  3. Step 3: Cross multiply
    65,800.18x = 98,698.65 × 30,779.02
  4. Step 4: Simplify right side
    65,800.18x = 3,037,847,722.32
  5. Step 5: Solve for x
    x = 3,037,847,722.32/65,800.18
  6. Step 6: Final answer
    x = 46,167.77

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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.