Home / 88,061.74-121,536.65-49,314.32

Finding the Fourth Proportional to 88,061.74, 121,536.65 and 49,314.32

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Solution

The fourth proportional to 88,061.74, 121,536.65 and 49,314.32 is: 68,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,061.74 : 121,536.65 = 49,314.32 : x
  2. Step 2: Convert to fraction form
    88,061.74/121,536.65 = 49,314.32/x
  3. Step 3: Cross multiply
    88,061.74x = 121,536.65 × 49,314.32
  4. Step 4: Simplify right side
    88,061.74x = 5,993,497,221.19
  5. Step 5: Solve for x
    x = 5,993,497,221.19/88,061.74
  6. Step 6: Final answer
    x = 68,060.17

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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.