Home / 93,740.16-140,631.28-31,409.04

Finding the Fourth Proportional to 93,740.16, 140,631.28 and 31,409.04

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Solution

The fourth proportional to 93,740.16, 140,631.28 and 31,409.04 is: 47,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,740.16 : 140,631.28 = 31,409.04 : x
  2. Step 2: Convert to fraction form
    93,740.16/140,631.28 = 31,409.04/x
  3. Step 3: Cross multiply
    93,740.16x = 140,631.28 × 31,409.04
  4. Step 4: Simplify right side
    93,740.16x = 4,417,093,498.77
  5. Step 5: Solve for x
    x = 4,417,093,498.77/93,740.16
  6. Step 6: Final answer
    x = 47,120.61

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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.