Home / 65,779.20-98,717.40-43,585.20

Finding the Fourth Proportional to 65,779.20, 98,717.40 and 43,585.20

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Solution

The fourth proportional to 65,779.20, 98,717.40 and 43,585.20 is: 65,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779.20 : 98,717.40 = 43,585.20 : x
  2. Step 2: Convert to fraction form
    65,779.20/98,717.40 = 43,585.20/x
  3. Step 3: Cross multiply
    65,779.20x = 98,717.40 × 43,585.20
  4. Step 4: Simplify right side
    65,779.20x = 4,302,617,622.48
  5. Step 5: Solve for x
    x = 4,302,617,622.48/65,779.20
  6. Step 6: Final answer
    x = 65,410.00

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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.