Home / 100,955.62-139,323.45-58,527.46

Finding the Fourth Proportional to 100,955.62, 139,323.45 and 58,527.46

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Solution

The fourth proportional to 100,955.62, 139,323.45 and 58,527.46 is: 80,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,955.62 : 139,323.45 = 58,527.46 : x
  2. Step 2: Convert to fraction form
    100,955.62/139,323.45 = 58,527.46/x
  3. Step 3: Cross multiply
    100,955.62x = 139,323.45 × 58,527.46
  4. Step 4: Simplify right side
    100,955.62x = 8,154,247,646.94
  5. Step 5: Solve for x
    x = 8,154,247,646.94/100,955.62
  6. Step 6: Final answer
    x = 80,770.62

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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.