Home / 76,964.02-106,209.30-42,973.03

Finding the Fourth Proportional to 76,964.02, 106,209.30 and 42,973.03

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Solution

The fourth proportional to 76,964.02, 106,209.30 and 42,973.03 is: 59,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.02 : 106,209.30 = 42,973.03 : x
  2. Step 2: Convert to fraction form
    76,964.02/106,209.30 = 42,973.03/x
  3. Step 3: Cross multiply
    76,964.02x = 106,209.30 × 42,973.03
  4. Step 4: Simplify right side
    76,964.02x = 4,564,135,435.18
  5. Step 5: Solve for x
    x = 4,564,135,435.18/76,964.02
  6. Step 6: Final answer
    x = 59,302.20

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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.