Home / 76,438.36-114,657.54-34,295.32

Finding the Fourth Proportional to 76,438.36, 114,657.54 and 34,295.32

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Solution

The fourth proportional to 76,438.36, 114,657.54 and 34,295.32 is: 51,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438.36 : 114,657.54 = 34,295.32 : x
  2. Step 2: Convert to fraction form
    76,438.36/114,657.54 = 34,295.32/x
  3. Step 3: Cross multiply
    76,438.36x = 114,657.54 × 34,295.32
  4. Step 4: Simplify right side
    76,438.36x = 3,932,217,024.71
  5. Step 5: Solve for x
    x = 3,932,217,024.71/76,438.36
  6. Step 6: Final answer
    x = 51,442.98

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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.