Home / 88,271.93-121,817.66-47,988.41

Finding the Fourth Proportional to 88,271.93, 121,817.66 and 47,988.41

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Solution

The fourth proportional to 88,271.93, 121,817.66 and 47,988.41 is: 66,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,271.93 : 121,817.66 = 47,988.41 : x
  2. Step 2: Convert to fraction form
    88,271.93/121,817.66 = 47,988.41/x
  3. Step 3: Cross multiply
    88,271.93x = 121,817.66 × 47,988.41
  4. Step 4: Simplify right side
    88,271.93x = 5,845,834,964.29
  5. Step 5: Solve for x
    x = 5,845,834,964.29/88,271.93
  6. Step 6: Final answer
    x = 66,225.30

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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.