Home / 55,184.95-76,152.98-31,311.11

Finding the Fourth Proportional to 55,184.95, 76,152.98 and 31,311.11

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Solution

The fourth proportional to 55,184.95, 76,152.98 and 31,311.11 is: 43,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.95 : 76,152.98 = 31,311.11 : x
  2. Step 2: Convert to fraction form
    55,184.95/76,152.98 = 31,311.11/x
  3. Step 3: Cross multiply
    55,184.95x = 76,152.98 × 31,311.11
  4. Step 4: Simplify right side
    55,184.95x = 2,384,434,333.61
  5. Step 5: Solve for x
    x = 2,384,434,333.61/55,184.95
  6. Step 6: Final answer
    x = 43,208.05

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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.