Home / 78,692.03-108,594.84-42,881.96

Finding the Fourth Proportional to 78,692.03, 108,594.84 and 42,881.96

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Solution

The fourth proportional to 78,692.03, 108,594.84 and 42,881.96 is: 59,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,692.03 : 108,594.84 = 42,881.96 : x
  2. Step 2: Convert to fraction form
    78,692.03/108,594.84 = 42,881.96/x
  3. Step 3: Cross multiply
    78,692.03x = 108,594.84 × 42,881.96
  4. Step 4: Simplify right side
    78,692.03x = 4,656,759,225.63
  5. Step 5: Solve for x
    x = 4,656,759,225.63/78,692.03
  6. Step 6: Final answer
    x = 59,177.01

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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.