Home / 78,038.13-107,692.14-44,047.02

Finding the Fourth Proportional to 78,038.13, 107,692.14 and 44,047.02

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Solution

The fourth proportional to 78,038.13, 107,692.14 and 44,047.02 is: 60,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,038.13 : 107,692.14 = 44,047.02 : x
  2. Step 2: Convert to fraction form
    78,038.13/107,692.14 = 44,047.02/x
  3. Step 3: Cross multiply
    78,038.13x = 107,692.14 × 44,047.02
  4. Step 4: Simplify right side
    78,038.13x = 4,743,517,844.42
  5. Step 5: Solve for x
    x = 4,743,517,844.42/78,038.13
  6. Step 6: Final answer
    x = 60,784.62

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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.