Home / 92,837.55-128,079.93-52,542.07

Finding the Fourth Proportional to 92,837.55, 128,079.93 and 52,542.07

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Solution

The fourth proportional to 92,837.55, 128,079.93 and 52,542.07 is: 72,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,837.55 : 128,079.93 = 52,542.07 : x
  2. Step 2: Convert to fraction form
    92,837.55/128,079.93 = 52,542.07/x
  3. Step 3: Cross multiply
    92,837.55x = 128,079.93 × 52,542.07
  4. Step 4: Simplify right side
    92,837.55x = 6,729,584,647.66
  5. Step 5: Solve for x
    x = 6,729,584,647.66/92,837.55
  6. Step 6: Final answer
    x = 72,487.74

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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.