Home / 66,030.50-91,122.24-37,736.12

Finding the Fourth Proportional to 66,030.50, 91,122.24 and 37,736.12

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Solution

The fourth proportional to 66,030.50, 91,122.24 and 37,736.12 is: 52,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030.50 : 91,122.24 = 37,736.12 : x
  2. Step 2: Convert to fraction form
    66,030.50/91,122.24 = 37,736.12/x
  3. Step 3: Cross multiply
    66,030.50x = 91,122.24 × 37,736.12
  4. Step 4: Simplify right side
    66,030.50x = 3,438,599,783.31
  5. Step 5: Solve for x
    x = 3,438,599,783.31/66,030.50
  6. Step 6: Final answer
    x = 52,075.93

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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.