Home / 74,539.48-102,963.68-73,455.10

Finding the Fourth Proportional to 74,539.48, 102,963.68 and 73,455.10

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Solution

The fourth proportional to 74,539.48, 102,963.68 and 73,455.10 is: 101,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.48 : 102,963.68 = 73,455.10 : x
  2. Step 2: Convert to fraction form
    74,539.48/102,963.68 = 73,455.10/x
  3. Step 3: Cross multiply
    74,539.48x = 102,963.68 × 73,455.10
  4. Step 4: Simplify right side
    74,539.48x = 7,563,207,410.77
  5. Step 5: Solve for x
    x = 7,563,207,410.77/74,539.48
  6. Step 6: Final answer
    x = 101,465.79

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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.