Home / 93,084.26-128,454.48-51,689.84

Finding the Fourth Proportional to 93,084.26, 128,454.48 and 51,689.84

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Solution

The fourth proportional to 93,084.26, 128,454.48 and 51,689.84 is: 71,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.26 : 128,454.48 = 51,689.84 : x
  2. Step 2: Convert to fraction form
    93,084.26/128,454.48 = 51,689.84/x
  3. Step 3: Cross multiply
    93,084.26x = 128,454.48 × 51,689.84
  4. Step 4: Simplify right side
    93,084.26x = 6,639,791,518.48
  5. Step 5: Solve for x
    x = 6,639,791,518.48/93,084.26
  6. Step 6: Final answer
    x = 71,330.98

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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.