Home / 52,098.51-78,151.14-20,933.76

Finding the Fourth Proportional to 52,098.51, 78,151.14 and 20,933.76

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Solution

The fourth proportional to 52,098.51, 78,151.14 and 20,933.76 is: 31,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,098.51 : 78,151.14 = 20,933.76 : x
  2. Step 2: Convert to fraction form
    52,098.51/78,151.14 = 20,933.76/x
  3. Step 3: Cross multiply
    52,098.51x = 78,151.14 × 20,933.76
  4. Step 4: Simplify right side
    52,098.51x = 1,635,997,208.49
  5. Step 5: Solve for x
    x = 1,635,997,208.49/52,098.51
  6. Step 6: Final answer
    x = 31,402.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.