Home / 86,124.94-118,862.26-47,888.30

Finding the Fourth Proportional to 86,124.94, 118,862.26 and 47,888.30

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Solution

The fourth proportional to 86,124.94, 118,862.26 and 47,888.30 is: 66,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,124.94 : 118,862.26 = 47,888.30 : x
  2. Step 2: Convert to fraction form
    86,124.94/118,862.26 = 47,888.30/x
  3. Step 3: Cross multiply
    86,124.94x = 118,862.26 × 47,888.30
  4. Step 4: Simplify right side
    86,124.94x = 5,692,111,565.56
  5. Step 5: Solve for x
    x = 5,692,111,565.56/86,124.94
  6. Step 6: Final answer
    x = 66,091.33

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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.