Home / 98,050.32-135,319.44-57,776.64

Finding the Fourth Proportional to 98,050.32, 135,319.44 and 57,776.64

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Solution

The fourth proportional to 98,050.32, 135,319.44 and 57,776.64 is: 79,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050.32 : 135,319.44 = 57,776.64 : x
  2. Step 2: Convert to fraction form
    98,050.32/135,319.44 = 57,776.64/x
  3. Step 3: Cross multiply
    98,050.32x = 135,319.44 × 57,776.64
  4. Step 4: Simplify right side
    98,050.32x = 7,818,302,569.88
  5. Step 5: Solve for x
    x = 7,818,302,569.88/98,050.32
  6. Step 6: Final answer
    x = 79,737.65

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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.