Home / 76,852.48-106,082.88-45,031.68

Finding the Fourth Proportional to 76,852.48, 106,082.88 and 45,031.68

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Solution

The fourth proportional to 76,852.48, 106,082.88 and 45,031.68 is: 62,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852.48 : 106,082.88 = 45,031.68 : x
  2. Step 2: Convert to fraction form
    76,852.48/106,082.88 = 45,031.68/x
  3. Step 3: Cross multiply
    76,852.48x = 106,082.88 × 45,031.68
  4. Step 4: Simplify right side
    76,852.48x = 4,777,090,305.64
  5. Step 5: Solve for x
    x = 4,777,090,305.64/76,852.48
  6. Step 6: Final answer
    x = 62,159.22

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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.