Home / 75,271.36-112,890.56-30,854.40

Finding the Fourth Proportional to 75,271.36, 112,890.56 and 30,854.40

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Solution

The fourth proportional to 75,271.36, 112,890.56 and 30,854.40 is: 46,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.36 : 112,890.56 = 30,854.40 : x
  2. Step 2: Convert to fraction form
    75,271.36/112,890.56 = 30,854.40/x
  3. Step 3: Cross multiply
    75,271.36x = 112,890.56 × 30,854.40
  4. Step 4: Simplify right side
    75,271.36x = 3,483,170,494.46
  5. Step 5: Solve for x
    x = 3,483,170,494.46/75,271.36
  6. Step 6: Final answer
    x = 46,274.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.