Home / 66,537.28-91,588.38-58,024.39

Finding the Fourth Proportional to 66,537.28, 91,588.38 and 58,024.39

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Solution

The fourth proportional to 66,537.28, 91,588.38 and 58,024.39 is: 79,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.28 : 91,588.38 = 58,024.39 : x
  2. Step 2: Convert to fraction form
    66,537.28/91,588.38 = 58,024.39/x
  3. Step 3: Cross multiply
    66,537.28x = 91,588.38 × 58,024.39
  4. Step 4: Simplify right side
    66,537.28x = 5,314,359,880.59
  5. Step 5: Solve for x
    x = 5,314,359,880.59/66,537.28
  6. Step 6: Final answer
    x = 79,870.41

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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.