Home / 66,006.45-91,080.18-37,330.02

Finding the Fourth Proportional to 66,006.45, 91,080.18 and 37,330.02

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Solution

The fourth proportional to 66,006.45, 91,080.18 and 37,330.02 is: 51,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.45 : 91,080.18 = 37,330.02 : x
  2. Step 2: Convert to fraction form
    66,006.45/91,080.18 = 37,330.02/x
  3. Step 3: Cross multiply
    66,006.45x = 91,080.18 × 37,330.02
  4. Step 4: Simplify right side
    66,006.45x = 3,400,024,941.00
  5. Step 5: Solve for x
    x = 3,400,024,941.00/66,006.45
  6. Step 6: Final answer
    x = 51,510.50

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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.