Home / 75,804.10-113,657.52-31,461.46

Finding the Fourth Proportional to 75,804.10, 113,657.52 and 31,461.46

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Solution

The fourth proportional to 75,804.10, 113,657.52 and 31,461.46 is: 47,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,804.10 : 113,657.52 = 31,461.46 : x
  2. Step 2: Convert to fraction form
    75,804.10/113,657.52 = 31,461.46/x
  3. Step 3: Cross multiply
    75,804.10x = 113,657.52 × 31,461.46
  4. Step 4: Simplify right side
    75,804.10x = 3,575,831,519.18
  5. Step 5: Solve for x
    x = 3,575,831,519.18/75,804.10
  6. Step 6: Final answer
    x = 47,172.01

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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.