Home / 56,904.42-78,528.08-31,753.92

Finding the Fourth Proportional to 56,904.42, 78,528.08 and 31,753.92

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Solution

The fourth proportional to 56,904.42, 78,528.08 and 31,753.92 is: 43,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,904.42 : 78,528.08 = 31,753.92 : x
  2. Step 2: Convert to fraction form
    56,904.42/78,528.08 = 31,753.92/x
  3. Step 3: Cross multiply
    56,904.42x = 78,528.08 × 31,753.92
  4. Step 4: Simplify right side
    56,904.42x = 2,493,574,743.94
  5. Step 5: Solve for x
    x = 2,493,574,743.94/56,904.42
  6. Step 6: Final answer
    x = 43,820.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.