Home / 89,333.36-123,275.88-53,543.12

Finding the Fourth Proportional to 89,333.36, 123,275.88 and 53,543.12

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Solution

The fourth proportional to 89,333.36, 123,275.88 and 53,543.12 is: 73,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,333.36 : 123,275.88 = 53,543.12 : x
  2. Step 2: Convert to fraction form
    89,333.36/123,275.88 = 53,543.12/x
  3. Step 3: Cross multiply
    89,333.36x = 123,275.88 × 53,543.12
  4. Step 4: Simplify right side
    89,333.36x = 6,600,575,235.95
  5. Step 5: Solve for x
    x = 6,600,575,235.95/89,333.36
  6. Step 6: Final answer
    x = 73,887.01

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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.