Home / 72,166.16-99,611.88-46,683.92

Finding the Fourth Proportional to 72,166.16, 99,611.88 and 46,683.92

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Solution

The fourth proportional to 72,166.16, 99,611.88 and 46,683.92 is: 64,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,166.16 : 99,611.88 = 46,683.92 : x
  2. Step 2: Convert to fraction form
    72,166.16/99,611.88 = 46,683.92/x
  3. Step 3: Cross multiply
    72,166.16x = 99,611.88 × 46,683.92
  4. Step 4: Simplify right side
    72,166.16x = 4,650,273,036.97
  5. Step 5: Solve for x
    x = 4,650,273,036.97/72,166.16
  6. Step 6: Final answer
    x = 64,438.42

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1.5x scale

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.