Home / 93,787.83-129,415.11-53,499.20

Finding the Fourth Proportional to 93,787.83, 129,415.11 and 53,499.20

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Solution

The fourth proportional to 93,787.83, 129,415.11 and 53,499.20 is: 73,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,787.83 : 129,415.11 = 53,499.20 : x
  2. Step 2: Convert to fraction form
    93,787.83/129,415.11 = 53,499.20/x
  3. Step 3: Cross multiply
    93,787.83x = 129,415.11 × 53,499.20
  4. Step 4: Simplify right side
    93,787.83x = 6,923,604,205.84
  5. Step 5: Solve for x
    x = 6,923,604,205.84/93,787.83
  6. Step 6: Final answer
    x = 73,821.99

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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.