Home / 45,625.76-68,460.30-31,607.36

Finding the Fourth Proportional to 45,625.76, 68,460.30 and 31,607.36

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Solution

The fourth proportional to 45,625.76, 68,460.30 and 31,607.36 is: 47,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.76 : 68,460.30 = 31,607.36 : x
  2. Step 2: Convert to fraction form
    45,625.76/68,460.30 = 31,607.36/x
  3. Step 3: Cross multiply
    45,625.76x = 68,460.30 × 31,607.36
  4. Step 4: Simplify right side
    45,625.76x = 2,163,849,347.81
  5. Step 5: Solve for x
    x = 2,163,849,347.81/45,625.76
  6. Step 6: Final answer
    x = 47,426.05

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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.