Home / 84,890.48-117,152.02-50,904.50

Finding the Fourth Proportional to 84,890.48, 117,152.02 and 50,904.50

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Solution

The fourth proportional to 84,890.48, 117,152.02 and 50,904.50 is: 70,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.48 : 117,152.02 = 50,904.50 : x
  2. Step 2: Convert to fraction form
    84,890.48/117,152.02 = 50,904.50/x
  3. Step 3: Cross multiply
    84,890.48x = 117,152.02 × 50,904.50
  4. Step 4: Simplify right side
    84,890.48x = 5,963,565,002.09
  5. Step 5: Solve for x
    x = 5,963,565,002.09/84,890.48
  6. Step 6: Final answer
    x = 70,250.10

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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.