Home / 66,319.04-91,519.98-37,638.98

Finding the Fourth Proportional to 66,319.04, 91,519.98 and 37,638.98

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Solution

The fourth proportional to 66,319.04, 91,519.98 and 37,638.98 is: 51,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.04 : 91,519.98 = 37,638.98 : x
  2. Step 2: Convert to fraction form
    66,319.04/91,519.98 = 37,638.98/x
  3. Step 3: Cross multiply
    66,319.04x = 91,519.98 × 37,638.98
  4. Step 4: Simplify right side
    66,319.04x = 3,444,718,696.82
  5. Step 5: Solve for x
    x = 3,444,718,696.82/66,319.04
  6. Step 6: Final answer
    x = 51,941.62

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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.