Home / 92,760.06-128,008.88-52,472.96

Finding the Fourth Proportional to 92,760.06, 128,008.88 and 52,472.96

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Solution

The fourth proportional to 92,760.06, 128,008.88 and 52,472.96 is: 72,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,760.06 : 128,008.88 = 52,472.96 : x
  2. Step 2: Convert to fraction form
    92,760.06/128,008.88 = 52,472.96/x
  3. Step 3: Cross multiply
    92,760.06x = 128,008.88 × 52,472.96
  4. Step 4: Simplify right side
    92,760.06x = 6,717,004,839.88
  5. Step 5: Solve for x
    x = 6,717,004,839.88/92,760.06
  6. Step 6: Final answer
    x = 72,412.68

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1.5x scale

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.