Home / 93,821.58-129,472.47-51,380.10

Finding the Fourth Proportional to 93,821.58, 129,472.47 and 51,380.10

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Solution

The fourth proportional to 93,821.58, 129,472.47 and 51,380.10 is: 70,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,821.58 : 129,472.47 = 51,380.10 : x
  2. Step 2: Convert to fraction form
    93,821.58/129,472.47 = 51,380.10/x
  3. Step 3: Cross multiply
    93,821.58x = 129,472.47 × 51,380.10
  4. Step 4: Simplify right side
    93,821.58x = 6,652,308,455.85
  5. Step 5: Solve for x
    x = 6,652,308,455.85/93,821.58
  6. Step 6: Final answer
    x = 70,903.82

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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.