Home / 53,066.40-73,230.12-28,866.60

Finding the Fourth Proportional to 53,066.40, 73,230.12 and 28,866.60

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Solution

The fourth proportional to 53,066.40, 73,230.12 and 28,866.60 is: 39,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066.40 : 73,230.12 = 28,866.60 : x
  2. Step 2: Convert to fraction form
    53,066.40/73,230.12 = 28,866.60/x
  3. Step 3: Cross multiply
    53,066.40x = 73,230.12 × 28,866.60
  4. Step 4: Simplify right side
    53,066.40x = 2,113,904,581.99
  5. Step 5: Solve for x
    x = 2,113,904,581.99/53,066.40
  6. Step 6: Final answer
    x = 39,835.09

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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.