Home / 105,527.79-158,280.44-55,587.64

Finding the Fourth Proportional to 105,527.79, 158,280.44 and 55,587.64

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Solution

The fourth proportional to 105,527.79, 158,280.44 and 55,587.64 is: 83,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527.79 : 158,280.44 = 55,587.64 : x
  2. Step 2: Convert to fraction form
    105,527.79/158,280.44 = 55,587.64/x
  3. Step 3: Cross multiply
    105,527.79x = 158,280.44 × 55,587.64
  4. Step 4: Simplify right side
    105,527.79x = 8,798,436,117.76
  5. Step 5: Solve for x
    x = 8,798,436,117.76/105,527.79
  6. Step 6: Final answer
    x = 83,375.54

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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.