Home / 92,740.20-127,981.50-50,298.36

Finding the Fourth Proportional to 92,740.20, 127,981.50 and 50,298.36

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Solution

The fourth proportional to 92,740.20, 127,981.50 and 50,298.36 is: 69,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740.20 : 127,981.50 = 50,298.36 : x
  2. Step 2: Convert to fraction form
    92,740.20/127,981.50 = 50,298.36/x
  3. Step 3: Cross multiply
    92,740.20x = 127,981.50 × 50,298.36
  4. Step 4: Simplify right side
    92,740.20x = 6,437,259,560.34
  5. Step 5: Solve for x
    x = 6,437,259,560.34/92,740.20
  6. Step 6: Final answer
    x = 69,411.75

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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.