Home / 88,272.73-121,814.93-47,987.51

Finding the Fourth Proportional to 88,272.73, 121,814.93 and 47,987.51

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Solution

The fourth proportional to 88,272.73, 121,814.93 and 47,987.51 is: 66,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272.73 : 121,814.93 = 47,987.51 : x
  2. Step 2: Convert to fraction form
    88,272.73/121,814.93 = 47,987.51/x
  3. Step 3: Cross multiply
    88,272.73x = 121,814.93 × 47,987.51
  4. Step 4: Simplify right side
    88,272.73x = 5,845,595,094.24
  5. Step 5: Solve for x
    x = 5,845,595,094.24/88,272.73
  6. Step 6: Final answer
    x = 66,221.98

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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.