Home / 66,123.57-91,248.02-35,908.25

Finding the Fourth Proportional to 66,123.57, 91,248.02 and 35,908.25

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Solution

The fourth proportional to 66,123.57, 91,248.02 and 35,908.25 is: 49,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,123.57 : 91,248.02 = 35,908.25 : x
  2. Step 2: Convert to fraction form
    66,123.57/91,248.02 = 35,908.25/x
  3. Step 3: Cross multiply
    66,123.57x = 91,248.02 × 35,908.25
  4. Step 4: Simplify right side
    66,123.57x = 3,276,556,213.04
  5. Step 5: Solve for x
    x = 3,276,556,213.04/66,123.57
  6. Step 6: Final answer
    x = 49,552.01

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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.