Home / 91,092.54-136,634.93-31,126.40

Finding the Fourth Proportional to 91,092.54, 136,634.93 and 31,126.40

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Solution

The fourth proportional to 91,092.54, 136,634.93 and 31,126.40 is: 46,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.54 : 136,634.93 = 31,126.40 : x
  2. Step 2: Convert to fraction form
    91,092.54/136,634.93 = 31,126.40/x
  3. Step 3: Cross multiply
    91,092.54x = 136,634.93 × 31,126.40
  4. Step 4: Simplify right side
    91,092.54x = 4,252,953,485.15
  5. Step 5: Solve for x
    x = 4,252,953,485.15/91,092.54
  6. Step 6: Final answer
    x = 46,688.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.