Home / 107,023.72-147,692.34-61,701.50

Finding the Fourth Proportional to 107,023.72, 147,692.34 and 61,701.50

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Solution

The fourth proportional to 107,023.72, 147,692.34 and 61,701.50 is: 85,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.72 : 147,692.34 = 61,701.50 : x
  2. Step 2: Convert to fraction form
    107,023.72/147,692.34 = 61,701.50/x
  3. Step 3: Cross multiply
    107,023.72x = 147,692.34 × 61,701.50
  4. Step 4: Simplify right side
    107,023.72x = 9,112,838,916.51
  5. Step 5: Solve for x
    x = 9,112,838,916.51/107,023.72
  6. Step 6: Final answer
    x = 85,147.84

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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.