Home / 67,155.86-92,644.02-40,251.66

Finding the Fourth Proportional to 67,155.86, 92,644.02 and 40,251.66

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Solution

The fourth proportional to 67,155.86, 92,644.02 and 40,251.66 is: 55,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.86 : 92,644.02 = 40,251.66 : x
  2. Step 2: Convert to fraction form
    67,155.86/92,644.02 = 40,251.66/x
  3. Step 3: Cross multiply
    67,155.86x = 92,644.02 × 40,251.66
  4. Step 4: Simplify right side
    67,155.86x = 3,729,075,594.07
  5. Step 5: Solve for x
    x = 3,729,075,594.07/67,155.86
  6. Step 6: Final answer
    x = 55,528.67

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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.