Home / 76,966.02-106,215.05-42,973.16

Finding the Fourth Proportional to 76,966.02, 106,215.05 and 42,973.16

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Solution

The fourth proportional to 76,966.02, 106,215.05 and 42,973.16 is: 59,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,966.02 : 106,215.05 = 42,973.16 : x
  2. Step 2: Convert to fraction form
    76,966.02/106,215.05 = 42,973.16/x
  3. Step 3: Cross multiply
    76,966.02x = 106,215.05 × 42,973.16
  4. Step 4: Simplify right side
    76,966.02x = 4,564,395,592.12
  5. Step 5: Solve for x
    x = 4,564,395,592.12/76,966.02
  6. Step 6: Final answer
    x = 59,304.04

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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.