Home / 94,356.89-130,212.51-51,915.42

Finding the Fourth Proportional to 94,356.89, 130,212.51 and 51,915.42

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Solution

The fourth proportional to 94,356.89, 130,212.51 and 51,915.42 is: 71,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,356.89 : 130,212.51 = 51,915.42 : x
  2. Step 2: Convert to fraction form
    94,356.89/130,212.51 = 51,915.42/x
  3. Step 3: Cross multiply
    94,356.89x = 130,212.51 × 51,915.42
  4. Step 4: Simplify right side
    94,356.89x = 6,760,037,145.90
  5. Step 5: Solve for x
    x = 6,760,037,145.90/94,356.89
  6. Step 6: Final answer
    x = 71,643.28

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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.