Home / 86,417.46-130,084.76-61,629.03

Finding the Fourth Proportional to 86,417.46, 130,084.76 and 61,629.03

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Solution

The fourth proportional to 86,417.46, 130,084.76 and 61,629.03 is: 92,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.46 : 130,084.76 = 61,629.03 : x
  2. Step 2: Convert to fraction form
    86,417.46/130,084.76 = 61,629.03/x
  3. Step 3: Cross multiply
    86,417.46x = 130,084.76 × 61,629.03
  4. Step 4: Simplify right side
    86,417.46x = 8,016,997,576.58
  5. Step 5: Solve for x
    x = 8,016,997,576.58/86,417.46
  6. Step 6: Final answer
    x = 92,770.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.