Home / 88,124.27-121,611.64-47,838.06

Finding the Fourth Proportional to 88,124.27, 121,611.64 and 47,838.06

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Solution

The fourth proportional to 88,124.27, 121,611.64 and 47,838.06 is: 66,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.27 : 121,611.64 = 47,838.06 : x
  2. Step 2: Convert to fraction form
    88,124.27/121,611.64 = 47,838.06/x
  3. Step 3: Cross multiply
    88,124.27x = 121,611.64 × 47,838.06
  4. Step 4: Simplify right side
    88,124.27x = 5,817,664,931.02
  5. Step 5: Solve for x
    x = 5,817,664,931.02/88,124.27
  6. Step 6: Final answer
    x = 66,016.60

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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.