Home / 78,141.24-107,840.70-44,153.64

Finding the Fourth Proportional to 78,141.24, 107,840.70 and 44,153.64

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Solution

The fourth proportional to 78,141.24, 107,840.70 and 44,153.64 is: 60,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,141.24 : 107,840.70 = 44,153.64 : x
  2. Step 2: Convert to fraction form
    78,141.24/107,840.70 = 44,153.64/x
  3. Step 3: Cross multiply
    78,141.24x = 107,840.70 × 44,153.64
  4. Step 4: Simplify right side
    78,141.24x = 4,761,559,445.15
  5. Step 5: Solve for x
    x = 4,761,559,445.15/78,141.24
  6. Step 6: Final answer
    x = 60,935.29

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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.