Home / 74,561.16-102,897.24-42,736.20

Finding the Fourth Proportional to 74,561.16, 102,897.24 and 42,736.20

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Solution

The fourth proportional to 74,561.16, 102,897.24 and 42,736.20 is: 58,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.16 : 102,897.24 = 42,736.20 : x
  2. Step 2: Convert to fraction form
    74,561.16/102,897.24 = 42,736.20/x
  3. Step 3: Cross multiply
    74,561.16x = 102,897.24 × 42,736.20
  4. Step 4: Simplify right side
    74,561.16x = 4,397,437,028.09
  5. Step 5: Solve for x
    x = 4,397,437,028.09/74,561.16
  6. Step 6: Final answer
    x = 58,977.58

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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.