Home / 89,733.40-134,448.90-70,941.40

Finding the Fourth Proportional to 89,733.40, 134,448.90 and 70,941.40

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Solution

The fourth proportional to 89,733.40, 134,448.90 and 70,941.40 is: 106,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.40 : 134,448.90 = 70,941.40 : x
  2. Step 2: Convert to fraction form
    89,733.40/134,448.90 = 70,941.40/x
  3. Step 3: Cross multiply
    89,733.40x = 134,448.90 × 70,941.40
  4. Step 4: Simplify right side
    89,733.40x = 9,537,993,194.46
  5. Step 5: Solve for x
    x = 9,537,993,194.46/89,733.40
  6. Step 6: Final answer
    x = 106,292.56

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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.