Home / 72,842.04-109,271.52-25,442.46

Finding the Fourth Proportional to 72,842.04, 109,271.52 and 25,442.46

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Solution

The fourth proportional to 72,842.04, 109,271.52 and 25,442.46 is: 38,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,842.04 : 109,271.52 = 25,442.46 : x
  2. Step 2: Convert to fraction form
    72,842.04/109,271.52 = 25,442.46/x
  3. Step 3: Cross multiply
    72,842.04x = 109,271.52 × 25,442.46
  4. Step 4: Simplify right side
    72,842.04x = 2,780,136,276.74
  5. Step 5: Solve for x
    x = 2,780,136,276.74/72,842.04
  6. Step 6: Final answer
    x = 38,166.64

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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.