Home / 52,783.35-72,837.74-28,908.60

Finding the Fourth Proportional to 52,783.35, 72,837.74 and 28,908.60

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Solution

The fourth proportional to 52,783.35, 72,837.74 and 28,908.60 is: 39,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.35 : 72,837.74 = 28,908.60 : x
  2. Step 2: Convert to fraction form
    52,783.35/72,837.74 = 28,908.60/x
  3. Step 3: Cross multiply
    52,783.35x = 72,837.74 × 28,908.60
  4. Step 4: Simplify right side
    52,783.35x = 2,105,636,946.02
  5. Step 5: Solve for x
    x = 2,105,636,946.02/52,783.35
  6. Step 6: Final answer
    x = 39,892.07

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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.