Home / 94,912.59-130,817.64-86,868.36

Finding the Fourth Proportional to 94,912.59, 130,817.64 and 86,868.36

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Solution

The fourth proportional to 94,912.59, 130,817.64 and 86,868.36 is: 119,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,912.59 : 130,817.64 = 86,868.36 : x
  2. Step 2: Convert to fraction form
    94,912.59/130,817.64 = 86,868.36/x
  3. Step 3: Cross multiply
    94,912.59x = 130,817.64 × 86,868.36
  4. Step 4: Simplify right side
    94,912.59x = 11,363,913,845.87
  5. Step 5: Solve for x
    x = 11,363,913,845.87/94,912.59
  6. Step 6: Final answer
    x = 119,730.31

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1.5x scale

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.