Home / 86,664.79-119,611.13-52,683.93

Finding the Fourth Proportional to 86,664.79, 119,611.13 and 52,683.93

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Solution

The fourth proportional to 86,664.79, 119,611.13 and 52,683.93 is: 72,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.79 : 119,611.13 = 52,683.93 : x
  2. Step 2: Convert to fraction form
    86,664.79/119,611.13 = 52,683.93/x
  3. Step 3: Cross multiply
    86,664.79x = 119,611.13 × 52,683.93
  4. Step 4: Simplify right side
    86,664.79x = 6,301,584,790.50
  5. Step 5: Solve for x
    x = 6,301,584,790.50/86,664.79
  6. Step 6: Final answer
    x = 72,712.17

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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.