Home / 89,444.66-123,408.77-59,220.32

Finding the Fourth Proportional to 89,444.66, 123,408.77 and 59,220.32

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Solution

The fourth proportional to 89,444.66, 123,408.77 and 59,220.32 is: 81,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,444.66 : 123,408.77 = 59,220.32 : x
  2. Step 2: Convert to fraction form
    89,444.66/123,408.77 = 59,220.32/x
  3. Step 3: Cross multiply
    89,444.66x = 123,408.77 × 59,220.32
  4. Step 4: Simplify right side
    89,444.66x = 7,308,305,937.06
  5. Step 5: Solve for x
    x = 7,308,305,937.06/89,444.66
  6. Step 6: Final answer
    x = 81,707.58

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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.