Home / 103,726.71-143,105.09-60,692.67

Finding the Fourth Proportional to 103,726.71, 143,105.09 and 60,692.67

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Solution

The fourth proportional to 103,726.71, 143,105.09 and 60,692.67 is: 83,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,726.71 : 143,105.09 = 60,692.67 : x
  2. Step 2: Convert to fraction form
    103,726.71/143,105.09 = 60,692.67/x
  3. Step 3: Cross multiply
    103,726.71x = 143,105.09 × 60,692.67
  4. Step 4: Simplify right side
    103,726.71x = 8,685,429,699.23
  5. Step 5: Solve for x
    x = 8,685,429,699.23/103,726.71
  6. Step 6: Final answer
    x = 83,733.78

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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.