Home / 100,955.94-139,314.21-58,528.26

Finding the Fourth Proportional to 100,955.94, 139,314.21 and 58,528.26

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Solution

The fourth proportional to 100,955.94, 139,314.21 and 58,528.26 is: 80,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,955.94 : 139,314.21 = 58,528.26 : x
  2. Step 2: Convert to fraction form
    100,955.94/139,314.21 = 58,528.26/x
  3. Step 3: Cross multiply
    100,955.94x = 139,314.21 × 58,528.26
  4. Step 4: Simplify right side
    100,955.94x = 8,153,818,304.57
  5. Step 5: Solve for x
    x = 8,153,818,304.57/100,955.94
  6. Step 6: Final answer
    x = 80,766.11

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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.