Home / 98,565.75-136,020.94-56,124.32

Finding the Fourth Proportional to 98,565.75, 136,020.94 and 56,124.32

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Solution

The fourth proportional to 98,565.75, 136,020.94 and 56,124.32 is: 77,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,565.75 : 136,020.94 = 56,124.32 : x
  2. Step 2: Convert to fraction form
    98,565.75/136,020.94 = 56,124.32/x
  3. Step 3: Cross multiply
    98,565.75x = 136,020.94 × 56,124.32
  4. Step 4: Simplify right side
    98,565.75x = 7,634,081,942.85
  5. Step 5: Solve for x
    x = 7,634,081,942.85/98,565.75
  6. Step 6: Final answer
    x = 77,451.67

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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.