Home / 109,629.80-164,444.70-39,483.80

Finding the Fourth Proportional to 109,629.80, 164,444.70 and 39,483.80

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Solution

The fourth proportional to 109,629.80, 164,444.70 and 39,483.80 is: 59,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,629.80 : 164,444.70 = 39,483.80 : x
  2. Step 2: Convert to fraction form
    109,629.80/164,444.70 = 39,483.80/x
  3. Step 3: Cross multiply
    109,629.80x = 164,444.70 × 39,483.80
  4. Step 4: Simplify right side
    109,629.80x = 6,492,901,645.86
  5. Step 5: Solve for x
    x = 6,492,901,645.86/109,629.80
  6. Step 6: Final answer
    x = 59,225.70

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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.