Home / 93,988.22-129,706.31-53,708.54

Finding the Fourth Proportional to 93,988.22, 129,706.31 and 53,708.54

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Solution

The fourth proportional to 93,988.22, 129,706.31 and 53,708.54 is: 74,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,988.22 : 129,706.31 = 53,708.54 : x
  2. Step 2: Convert to fraction form
    93,988.22/129,706.31 = 53,708.54/x
  3. Step 3: Cross multiply
    93,988.22x = 129,706.31 × 53,708.54
  4. Step 4: Simplify right side
    93,988.22x = 6,966,336,024.63
  5. Step 5: Solve for x
    x = 6,966,336,024.63/93,988.22
  6. Step 6: Final answer
    x = 74,119.25

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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.