Home / 91,228.19-125,859.15-52,981.20

Finding the Fourth Proportional to 91,228.19, 125,859.15 and 52,981.20

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Solution

The fourth proportional to 91,228.19, 125,859.15 and 52,981.20 is: 73,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,228.19 : 125,859.15 = 52,981.20 : x
  2. Step 2: Convert to fraction form
    91,228.19/125,859.15 = 52,981.20/x
  3. Step 3: Cross multiply
    91,228.19x = 125,859.15 × 52,981.20
  4. Step 4: Simplify right side
    91,228.19x = 6,668,168,797.98
  5. Step 5: Solve for x
    x = 6,668,168,797.98/91,228.19
  6. Step 6: Final answer
    x = 73,093.30

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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.