Home / 92,784.48-128,044.08-50,343.02

Finding the Fourth Proportional to 92,784.48, 128,044.08 and 50,343.02

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Solution

The fourth proportional to 92,784.48, 128,044.08 and 50,343.02 is: 69,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,784.48 : 128,044.08 = 50,343.02 : x
  2. Step 2: Convert to fraction form
    92,784.48/128,044.08 = 50,343.02/x
  3. Step 3: Cross multiply
    92,784.48x = 128,044.08 × 50,343.02
  4. Step 4: Simplify right side
    92,784.48x = 6,446,124,788.39
  5. Step 5: Solve for x
    x = 6,446,124,788.39/92,784.48
  6. Step 6: Final answer
    x = 69,474.17

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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.