Home / 57,236.48-78,985.60-32,085.76

Finding the Fourth Proportional to 57,236.48, 78,985.60 and 32,085.76

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Solution

The fourth proportional to 57,236.48, 78,985.60 and 32,085.76 is: 44,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.48 : 78,985.60 = 32,085.76 : x
  2. Step 2: Convert to fraction form
    57,236.48/78,985.60 = 32,085.76/x
  3. Step 3: Cross multiply
    57,236.48x = 78,985.60 × 32,085.76
  4. Step 4: Simplify right side
    57,236.48x = 2,534,313,005.06
  5. Step 5: Solve for x
    x = 2,534,313,005.06/57,236.48
  6. Step 6: Final answer
    x = 44,277.93

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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.