Home / 47,929.48-72,153.03-43,107.12

Finding the Fourth Proportional to 47,929.48, 72,153.03 and 43,107.12

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Solution

The fourth proportional to 47,929.48, 72,153.03 and 43,107.12 is: 64,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.48 : 72,153.03 = 43,107.12 : x
  2. Step 2: Convert to fraction form
    47,929.48/72,153.03 = 43,107.12/x
  3. Step 3: Cross multiply
    47,929.48x = 72,153.03 × 43,107.12
  4. Step 4: Simplify right side
    47,929.48x = 3,110,309,322.57
  5. Step 5: Solve for x
    x = 3,110,309,322.57/47,929.48
  6. Step 6: Final answer
    x = 64,893.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.