Home / 76,962.45-106,207.14-42,971.46

Finding the Fourth Proportional to 76,962.45, 106,207.14 and 42,971.46

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Solution

The fourth proportional to 76,962.45, 106,207.14 and 42,971.46 is: 59,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.45 : 106,207.14 = 42,971.46 : x
  2. Step 2: Convert to fraction form
    76,962.45/106,207.14 = 42,971.46/x
  3. Step 3: Cross multiply
    76,962.45x = 106,207.14 × 42,971.46
  4. Step 4: Simplify right side
    76,962.45x = 4,563,875,868.22
  5. Step 5: Solve for x
    x = 4,563,875,868.22/76,962.45
  6. Step 6: Final answer
    x = 59,300.03

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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.