Home / 84,362.36-126,548.94-31,068.68

Finding the Fourth Proportional to 84,362.36, 126,548.94 and 31,068.68

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Solution

The fourth proportional to 84,362.36, 126,548.94 and 31,068.68 is: 46,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,362.36 : 126,548.94 = 31,068.68 : x
  2. Step 2: Convert to fraction form
    84,362.36/126,548.94 = 31,068.68/x
  3. Step 3: Cross multiply
    84,362.36x = 126,548.94 × 31,068.68
  4. Step 4: Simplify right side
    84,362.36x = 3,931,708,521.20
  5. Step 5: Solve for x
    x = 3,931,708,521.20/84,362.36
  6. Step 6: Final answer
    x = 46,605.01

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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.