Home / 89,817.86-134,810.22-45,476.12

Finding the Fourth Proportional to 89,817.86, 134,810.22 and 45,476.12

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Solution

The fourth proportional to 89,817.86, 134,810.22 and 45,476.12 is: 68,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,817.86 : 134,810.22 = 45,476.12 : x
  2. Step 2: Convert to fraction form
    89,817.86/134,810.22 = 45,476.12/x
  3. Step 3: Cross multiply
    89,817.86x = 134,810.22 × 45,476.12
  4. Step 4: Simplify right side
    89,817.86x = 6,130,645,741.95
  5. Step 5: Solve for x
    x = 6,130,645,741.95/89,817.86
  6. Step 6: Final answer
    x = 68,256.42

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1.5x scale

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.