Home / 66,136.59-91,267.19-37,455.80

Finding the Fourth Proportional to 66,136.59, 91,267.19 and 37,455.80

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Solution

The fourth proportional to 66,136.59, 91,267.19 and 37,455.80 is: 51,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.59 : 91,267.19 = 37,455.80 : x
  2. Step 2: Convert to fraction form
    66,136.59/91,267.19 = 37,455.80/x
  3. Step 3: Cross multiply
    66,136.59x = 91,267.19 × 37,455.80
  4. Step 4: Simplify right side
    66,136.59x = 3,418,484,971.59
  5. Step 5: Solve for x
    x = 3,418,484,971.59/66,136.59
  6. Step 6: Final answer
    x = 51,688.26

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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.