Home / 52,784.16-79,066.08-31,657.20

Finding the Fourth Proportional to 52,784.16, 79,066.08 and 31,657.20

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Solution

The fourth proportional to 52,784.16, 79,066.08 and 31,657.20 is: 47,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,784.16 : 79,066.08 = 31,657.20 : x
  2. Step 2: Convert to fraction form
    52,784.16/79,066.08 = 31,657.20/x
  3. Step 3: Cross multiply
    52,784.16x = 79,066.08 × 31,657.20
  4. Step 4: Simplify right side
    52,784.16x = 2,503,010,707.78
  5. Step 5: Solve for x
    x = 2,503,010,707.78/52,784.16
  6. Step 6: Final answer
    x = 47,419.73

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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.