Home / 77,611.18-107,084.72-45,327.48

Finding the Fourth Proportional to 77,611.18, 107,084.72 and 45,327.48

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Solution

The fourth proportional to 77,611.18, 107,084.72 and 45,327.48 is: 62,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,611.18 : 107,084.72 = 45,327.48 : x
  2. Step 2: Convert to fraction form
    77,611.18/107,084.72 = 45,327.48/x
  3. Step 3: Cross multiply
    77,611.18x = 107,084.72 × 45,327.48
  4. Step 4: Simplify right side
    77,611.18x = 4,853,880,504.11
  5. Step 5: Solve for x
    x = 4,853,880,504.11/77,611.18
  6. Step 6: Final answer
    x = 62,541.00

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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.