Home / 88,272.77-121,814.98-47,987.54

Finding the Fourth Proportional to 88,272.77, 121,814.98 and 47,987.54

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Solution

The fourth proportional to 88,272.77, 121,814.98 and 47,987.54 is: 66,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272.77 : 121,814.98 = 47,987.54 : x
  2. Step 2: Convert to fraction form
    88,272.77/121,814.98 = 47,987.54/x
  3. Step 3: Cross multiply
    88,272.77x = 121,814.98 × 47,987.54
  4. Step 4: Simplify right side
    88,272.77x = 5,845,601,601.98
  5. Step 5: Solve for x
    x = 5,845,601,601.98/88,272.77
  6. Step 6: Final answer
    x = 66,222.03

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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.