Home / 101,637.11-152,136.02-69,861.35

Finding the Fourth Proportional to 101,637.11, 152,136.02 and 69,861.35

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Solution

The fourth proportional to 101,637.11, 152,136.02 and 69,861.35 is: 104,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637.11 : 152,136.02 = 69,861.35 : x
  2. Step 2: Convert to fraction form
    101,637.11/152,136.02 = 69,861.35/x
  3. Step 3: Cross multiply
    101,637.11x = 152,136.02 × 69,861.35
  4. Step 4: Simplify right side
    101,637.11x = 10,628,428,295.82
  5. Step 5: Solve for x
    x = 10,628,428,295.82/101,637.11
  6. Step 6: Final answer
    x = 104,572.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.