Home / 92,904.95-128,186.82-54,666.15

Finding the Fourth Proportional to 92,904.95, 128,186.82 and 54,666.15

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Solution

The fourth proportional to 92,904.95, 128,186.82 and 54,666.15 is: 75,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,904.95 : 128,186.82 = 54,666.15 : x
  2. Step 2: Convert to fraction form
    92,904.95/128,186.82 = 54,666.15/x
  3. Step 3: Cross multiply
    92,904.95x = 128,186.82 × 54,666.15
  4. Step 4: Simplify right side
    92,904.95x = 7,007,479,930.14
  5. Step 5: Solve for x
    x = 7,007,479,930.14/92,904.95
  6. Step 6: Final answer
    x = 75,426.34

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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.