Home / 93,128.12-139,689.84-23,008.04

Finding the Fourth Proportional to 93,128.12, 139,689.84 and 23,008.04

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Solution

The fourth proportional to 93,128.12, 139,689.84 and 23,008.04 is: 34,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,128.12 : 139,689.84 = 23,008.04 : x
  2. Step 2: Convert to fraction form
    93,128.12/139,689.84 = 23,008.04/x
  3. Step 3: Cross multiply
    93,128.12x = 139,689.84 × 23,008.04
  4. Step 4: Simplify right side
    93,128.12x = 3,213,989,426.31
  5. Step 5: Solve for x
    x = 3,213,989,426.31/93,128.12
  6. Step 6: Final answer
    x = 34,511.48

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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.