Home / 88,059.02-121,521.49-47,772.78

Finding the Fourth Proportional to 88,059.02, 121,521.49 and 47,772.78

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Solution

The fourth proportional to 88,059.02, 121,521.49 and 47,772.78 is: 65,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,059.02 : 121,521.49 = 47,772.78 : x
  2. Step 2: Convert to fraction form
    88,059.02/121,521.49 = 47,772.78/x
  3. Step 3: Cross multiply
    88,059.02x = 121,521.49 × 47,772.78
  4. Step 4: Simplify right side
    88,059.02x = 5,805,418,799.43
  5. Step 5: Solve for x
    x = 5,805,418,799.43/88,059.02
  6. Step 6: Final answer
    x = 65,926.46

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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.