Home / 52,402.25-72,312.84-28,529.01

Finding the Fourth Proportional to 52,402.25, 72,312.84 and 28,529.01

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Solution

The fourth proportional to 52,402.25, 72,312.84 and 28,529.01 is: 39,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.25 : 72,312.84 = 28,529.01 : x
  2. Step 2: Convert to fraction form
    52,402.25/72,312.84 = 28,529.01/x
  3. Step 3: Cross multiply
    52,402.25x = 72,312.84 × 28,529.01
  4. Step 4: Simplify right side
    52,402.25x = 2,063,013,735.49
  5. Step 5: Solve for x
    x = 2,063,013,735.49/52,402.25
  6. Step 6: Final answer
    x = 39,368.80

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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.