Home / 75,070.93-112,623.91-21,764.02

Finding the Fourth Proportional to 75,070.93, 112,623.91 and 21,764.02

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Solution

The fourth proportional to 75,070.93, 112,623.91 and 21,764.02 is: 32,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.93 : 112,623.91 = 21,764.02 : x
  2. Step 2: Convert to fraction form
    75,070.93/112,623.91 = 21,764.02/x
  3. Step 3: Cross multiply
    75,070.93x = 112,623.91 × 21,764.02
  4. Step 4: Simplify right side
    75,070.93x = 2,451,148,482.58
  5. Step 5: Solve for x
    x = 2,451,148,482.58/75,070.93
  6. Step 6: Final answer
    x = 32,651.10

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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.