Home / 72,237.24-99,634.14-52,160.40

Finding the Fourth Proportional to 72,237.24, 99,634.14 and 52,160.40

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Solution

The fourth proportional to 72,237.24, 99,634.14 and 52,160.40 is: 71,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,237.24 : 99,634.14 = 52,160.40 : x
  2. Step 2: Convert to fraction form
    72,237.24/99,634.14 = 52,160.40/x
  3. Step 3: Cross multiply
    72,237.24x = 99,634.14 × 52,160.40
  4. Step 4: Simplify right side
    72,237.24x = 5,196,956,596.06
  5. Step 5: Solve for x
    x = 5,196,956,596.06/72,237.24
  6. Step 6: Final answer
    x = 71,942.90

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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.