Home / 93,442.72-140,165.52-31,113.28

Finding the Fourth Proportional to 93,442.72, 140,165.52 and 31,113.28

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Solution

The fourth proportional to 93,442.72, 140,165.52 and 31,113.28 is: 46,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,442.72 : 140,165.52 = 31,113.28 : x
  2. Step 2: Convert to fraction form
    93,442.72/140,165.52 = 31,113.28/x
  3. Step 3: Cross multiply
    93,442.72x = 140,165.52 × 31,113.28
  4. Step 4: Simplify right side
    93,442.72x = 4,361,009,070.11
  5. Step 5: Solve for x
    x = 4,361,009,070.11/93,442.72
  6. Step 6: Final answer
    x = 46,670.40

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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.