Home / 111,341.39-153,629.46-66,010.95

Finding the Fourth Proportional to 111,341.39, 153,629.46 and 66,010.95

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Solution

The fourth proportional to 111,341.39, 153,629.46 and 66,010.95 is: 91,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,341.39 : 153,629.46 = 66,010.95 : x
  2. Step 2: Convert to fraction form
    111,341.39/153,629.46 = 66,010.95/x
  3. Step 3: Cross multiply
    111,341.39x = 153,629.46 × 66,010.95
  4. Step 4: Simplify right side
    111,341.39x = 10,141,226,602.59
  5. Step 5: Solve for x
    x = 10,141,226,602.59/111,341.39
  6. Step 6: Final answer
    x = 91,082.27

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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.