Home / 93,712.90-129,325.26-51,272.14

Finding the Fourth Proportional to 93,712.90, 129,325.26 and 51,272.14

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Solution

The fourth proportional to 93,712.90, 129,325.26 and 51,272.14 is: 70,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,712.90 : 129,325.26 = 51,272.14 : x
  2. Step 2: Convert to fraction form
    93,712.90/129,325.26 = 51,272.14/x
  3. Step 3: Cross multiply
    93,712.90x = 129,325.26 × 51,272.14
  4. Step 4: Simplify right side
    93,712.90x = 6,630,782,836.26
  5. Step 5: Solve for x
    x = 6,630,782,836.26/93,712.90
  6. Step 6: Final answer
    x = 70,756.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.