Home / 72,695.08-109,042.49-22,779.01

Finding the Fourth Proportional to 72,695.08, 109,042.49 and 22,779.01

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Solution

The fourth proportional to 72,695.08, 109,042.49 and 22,779.01 is: 34,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,695.08 : 109,042.49 = 22,779.01 : x
  2. Step 2: Convert to fraction form
    72,695.08/109,042.49 = 22,779.01/x
  3. Step 3: Cross multiply
    72,695.08x = 109,042.49 × 22,779.01
  4. Step 4: Simplify right side
    72,695.08x = 2,483,879,754.48
  5. Step 5: Solve for x
    x = 2,483,879,754.48/72,695.08
  6. Step 6: Final answer
    x = 34,168.47

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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.