Home / 92,897.11-128,176.05-54,658.33

Finding the Fourth Proportional to 92,897.11, 128,176.05 and 54,658.33

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Solution

The fourth proportional to 92,897.11, 128,176.05 and 54,658.33 is: 75,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,897.11 : 128,176.05 = 54,658.33 : x
  2. Step 2: Convert to fraction form
    92,897.11/128,176.05 = 54,658.33/x
  3. Step 3: Cross multiply
    92,897.11x = 128,176.05 × 54,658.33
  4. Step 4: Simplify right side
    92,897.11x = 7,005,888,839.00
  5. Step 5: Solve for x
    x = 7,005,888,839.00/92,897.11
  6. Step 6: Final answer
    x = 75,415.57

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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.