Home / 125,769.34-173,586.33-72,090.30

Finding the Fourth Proportional to 125,769.34, 173,586.33 and 72,090.30

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Solution

The fourth proportional to 125,769.34, 173,586.33 and 72,090.30 is: 99,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,769.34 : 173,586.33 = 72,090.30 : x
  2. Step 2: Convert to fraction form
    125,769.34/173,586.33 = 72,090.30/x
  3. Step 3: Cross multiply
    125,769.34x = 173,586.33 × 72,090.30
  4. Step 4: Simplify right side
    125,769.34x = 12,513,890,605.60
  5. Step 5: Solve for x
    x = 12,513,890,605.60/125,769.34
  6. Step 6: Final answer
    x = 99,498.74

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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.