Home / 84,746.98-127,031.75-28,567.67

Finding the Fourth Proportional to 84,746.98, 127,031.75 and 28,567.67

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Solution

The fourth proportional to 84,746.98, 127,031.75 and 28,567.67 is: 42,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,746.98 : 127,031.75 = 28,567.67 : x
  2. Step 2: Convert to fraction form
    84,746.98/127,031.75 = 28,567.67/x
  3. Step 3: Cross multiply
    84,746.98x = 127,031.75 × 28,567.67
  4. Step 4: Simplify right side
    84,746.98x = 3,629,000,335.53
  5. Step 5: Solve for x
    x = 3,629,000,335.53/84,746.98
  6. Step 6: Final answer
    x = 42,821.59

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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.