Home / 109,023.80-163,541.10-56,535.80

Finding the Fourth Proportional to 109,023.80, 163,541.10 and 56,535.80

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Solution

The fourth proportional to 109,023.80, 163,541.10 and 56,535.80 is: 84,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.80 : 163,541.10 = 56,535.80 : x
  2. Step 2: Convert to fraction form
    109,023.80/163,541.10 = 56,535.80/x
  3. Step 3: Cross multiply
    109,023.80x = 163,541.10 × 56,535.80
  4. Step 4: Simplify right side
    109,023.80x = 9,245,926,921.38
  5. Step 5: Solve for x
    x = 9,245,926,921.38/109,023.80
  6. Step 6: Final answer
    x = 84,806.50

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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.