Home / 61,008.09-91,345.68-46,172.13

Finding the Fourth Proportional to 61,008.09, 91,345.68 and 46,172.13

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Solution

The fourth proportional to 61,008.09, 91,345.68 and 46,172.13 is: 69,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,008.09 : 91,345.68 = 46,172.13 : x
  2. Step 2: Convert to fraction form
    61,008.09/91,345.68 = 46,172.13/x
  3. Step 3: Cross multiply
    61,008.09x = 91,345.68 × 46,172.13
  4. Step 4: Simplify right side
    61,008.09x = 4,217,624,611.90
  5. Step 5: Solve for x
    x = 4,217,624,611.90/61,008.09
  6. Step 6: Final answer
    x = 69,132.22

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1.5x scale

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.