Home / 98,045.04-135,306-55,611.84

Finding the Fourth Proportional to 98,045.04, 135,306 and 55,611.84

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Solution

The fourth proportional to 98,045.04, 135,306 and 55,611.84 is: 76,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,045.04 : 135,306 = 55,611.84 : x
  2. Step 2: Convert to fraction form
    98,045.04/135,306 = 55,611.84/x
  3. Step 3: Cross multiply
    98,045.04x = 135,306 × 55,611.84
  4. Step 4: Simplify right side
    98,045.04x = 7,524,615,623.04
  5. Step 5: Solve for x
    x = 7,524,615,623.04/98,045.04
  6. Step 6: Final answer
    x = 76,746.52

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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.