Home / 109,026.81-163,477.04-49,830.80

Finding the Fourth Proportional to 109,026.81, 163,477.04 and 49,830.80

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Solution

The fourth proportional to 109,026.81, 163,477.04 and 49,830.80 is: 74,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026.81 : 163,477.04 = 49,830.80 : x
  2. Step 2: Convert to fraction form
    109,026.81/163,477.04 = 49,830.80/x
  3. Step 3: Cross multiply
    109,026.81x = 163,477.04 × 49,830.80
  4. Step 4: Simplify right side
    109,026.81x = 8,146,190,618.29
  5. Step 5: Solve for x
    x = 8,146,190,618.29/109,026.81
  6. Step 6: Final answer
    x = 74,717.32

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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.