Home / 76,730.21-115,095.06-34,560.93

Finding the Fourth Proportional to 76,730.21, 115,095.06 and 34,560.93

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Solution

The fourth proportional to 76,730.21, 115,095.06 and 34,560.93 is: 51,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730.21 : 115,095.06 = 34,560.93 : x
  2. Step 2: Convert to fraction form
    76,730.21/115,095.06 = 34,560.93/x
  3. Step 3: Cross multiply
    76,730.21x = 115,095.06 × 34,560.93
  4. Step 4: Simplify right side
    76,730.21x = 3,977,792,312.01
  5. Step 5: Solve for x
    x = 3,977,792,312.01/76,730.21
  6. Step 6: Final answer
    x = 51,841.28

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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.