Home / 89,818.56-134,810.77-45,476.39

Finding the Fourth Proportional to 89,818.56, 134,810.77 and 45,476.39

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Solution

The fourth proportional to 89,818.56, 134,810.77 and 45,476.39 is: 68,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.56 : 134,810.77 = 45,476.39 : x
  2. Step 2: Convert to fraction form
    89,818.56/134,810.77 = 45,476.39/x
  3. Step 3: Cross multiply
    89,818.56x = 134,810.77 × 45,476.39
  4. Step 4: Simplify right side
    89,818.56x = 6,130,706,364.98
  5. Step 5: Solve for x
    x = 6,130,706,364.98/89,818.56
  6. Step 6: Final answer
    x = 68,256.56

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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.