Home / 109,701.60-164,503.80-50,555.40

Finding the Fourth Proportional to 109,701.60, 164,503.80 and 50,555.40

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Solution

The fourth proportional to 109,701.60, 164,503.80 and 50,555.40 is: 75,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,701.60 : 164,503.80 = 50,555.40 : x
  2. Step 2: Convert to fraction form
    109,701.60/164,503.80 = 50,555.40/x
  3. Step 3: Cross multiply
    109,701.60x = 164,503.80 × 50,555.40
  4. Step 4: Simplify right side
    109,701.60x = 8,316,555,410.52
  5. Step 5: Solve for x
    x = 8,316,555,410.52/109,701.60
  6. Step 6: Final answer
    x = 75,810.70

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1.5x scale

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.