Home / 93,690.08-140,501.28-31,346

Finding the Fourth Proportional to 93,690.08, 140,501.28 and 31,346

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Solution

The fourth proportional to 93,690.08, 140,501.28 and 31,346 is: 47,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,690.08 : 140,501.28 = 31,346 : x
  2. Step 2: Convert to fraction form
    93,690.08/140,501.28 = 31,346/x
  3. Step 3: Cross multiply
    93,690.08x = 140,501.28 × 31,346
  4. Step 4: Simplify right side
    93,690.08x = 4,404,153,122.88
  5. Step 5: Solve for x
    x = 4,404,153,122.88/93,690.08
  6. Step 6: Final answer
    x = 47,007.68

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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.