Home / 93,554.12-129,063.54-55,806.50

Finding the Fourth Proportional to 93,554.12, 129,063.54 and 55,806.50

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Solution

The fourth proportional to 93,554.12, 129,063.54 and 55,806.50 is: 76,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,554.12 : 129,063.54 = 55,806.50 : x
  2. Step 2: Convert to fraction form
    93,554.12/129,063.54 = 55,806.50/x
  3. Step 3: Cross multiply
    93,554.12x = 129,063.54 × 55,806.50
  4. Step 4: Simplify right side
    93,554.12x = 7,202,584,445.01
  5. Step 5: Solve for x
    x = 7,202,584,445.01/93,554.12
  6. Step 6: Final answer
    x = 76,988.43

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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.