Home / 89,184.97-123,079.13-53,368.12

Finding the Fourth Proportional to 89,184.97, 123,079.13 and 53,368.12

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Solution

The fourth proportional to 89,184.97, 123,079.13 and 53,368.12 is: 73,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.97 : 123,079.13 = 53,368.12 : x
  2. Step 2: Convert to fraction form
    89,184.97/123,079.13 = 53,368.12/x
  3. Step 3: Cross multiply
    89,184.97x = 123,079.13 × 53,368.12
  4. Step 4: Simplify right side
    89,184.97x = 6,568,501,779.34
  5. Step 5: Solve for x
    x = 6,568,501,779.34/89,184.97
  6. Step 6: Final answer
    x = 73,650.32

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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.