Home / 94,776.12-142,116.66-31,574.04

Finding the Fourth Proportional to 94,776.12, 142,116.66 and 31,574.04

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Solution

The fourth proportional to 94,776.12, 142,116.66 and 31,574.04 is: 47,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,776.12 : 142,116.66 = 31,574.04 : x
  2. Step 2: Convert to fraction form
    94,776.12/142,116.66 = 31,574.04/x
  3. Step 3: Cross multiply
    94,776.12x = 142,116.66 × 31,574.04
  4. Step 4: Simplify right side
    94,776.12x = 4,487,197,107.51
  5. Step 5: Solve for x
    x = 4,487,197,107.51/94,776.12
  6. Step 6: Final answer
    x = 47,345.23

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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.