Home / 101,527.04-140,105.31-56,205.08

Finding the Fourth Proportional to 101,527.04, 140,105.31 and 56,205.08

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Solution

The fourth proportional to 101,527.04, 140,105.31 and 56,205.08 is: 77,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,527.04 : 140,105.31 = 56,205.08 : x
  2. Step 2: Convert to fraction form
    101,527.04/140,105.31 = 56,205.08/x
  3. Step 3: Cross multiply
    101,527.04x = 140,105.31 × 56,205.08
  4. Step 4: Simplify right side
    101,527.04x = 7,874,630,156.97
  5. Step 5: Solve for x
    x = 7,874,630,156.97/101,527.04
  6. Step 6: Final answer
    x = 77,561.90

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1.5x scale

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.