Home / 77,384.58-116,109.68-42,283.23

Finding the Fourth Proportional to 77,384.58, 116,109.68 and 42,283.23

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Solution

The fourth proportional to 77,384.58, 116,109.68 and 42,283.23 is: 63,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384.58 : 116,109.68 = 42,283.23 : x
  2. Step 2: Convert to fraction form
    77,384.58/116,109.68 = 42,283.23/x
  3. Step 3: Cross multiply
    77,384.58x = 116,109.68 × 42,283.23
  4. Step 4: Simplify right side
    77,384.58x = 4,909,492,093.25
  5. Step 5: Solve for x
    x = 4,909,492,093.25/77,384.58
  6. Step 6: Final answer
    x = 63,442.77

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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.