Home / 84,634.16-126,881.93-42,463.32

Finding the Fourth Proportional to 84,634.16, 126,881.93 and 42,463.32

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Solution

The fourth proportional to 84,634.16, 126,881.93 and 42,463.32 is: 63,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.16 : 126,881.93 = 42,463.32 : x
  2. Step 2: Convert to fraction form
    84,634.16/126,881.93 = 42,463.32/x
  3. Step 3: Cross multiply
    84,634.16x = 126,881.93 × 42,463.32
  4. Step 4: Simplify right side
    84,634.16x = 5,387,827,783.49
  5. Step 5: Solve for x
    x = 5,387,827,783.49/84,634.16
  6. Step 6: Final answer
    x = 63,660.21

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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.