Home / 62,985.33-86,931.09-36,136.73

Finding the Fourth Proportional to 62,985.33, 86,931.09 and 36,136.73

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Solution

The fourth proportional to 62,985.33, 86,931.09 and 36,136.73 is: 49,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.33 : 86,931.09 = 36,136.73 : x
  2. Step 2: Convert to fraction form
    62,985.33/86,931.09 = 36,136.73/x
  3. Step 3: Cross multiply
    62,985.33x = 86,931.09 × 36,136.73
  4. Step 4: Simplify right side
    62,985.33x = 3,141,405,545.26
  5. Step 5: Solve for x
    x = 3,141,405,545.26/62,985.33
  6. Step 6: Final answer
    x = 49,875.19

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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.