Home / 84,023.55-115,948.13-52,191.81

Finding the Fourth Proportional to 84,023.55, 115,948.13 and 52,191.81

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Solution

The fourth proportional to 84,023.55, 115,948.13 and 52,191.81 is: 72,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.55 : 115,948.13 = 52,191.81 : x
  2. Step 2: Convert to fraction form
    84,023.55/115,948.13 = 52,191.81/x
  3. Step 3: Cross multiply
    84,023.55x = 115,948.13 × 52,191.81
  4. Step 4: Simplify right side
    84,023.55x = 6,051,542,509.86
  5. Step 5: Solve for x
    x = 6,051,542,509.86/84,023.55
  6. Step 6: Final answer
    x = 72,021.98

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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.