Home / 93,880.50-129,555.12-56,163.66

Finding the Fourth Proportional to 93,880.50, 129,555.12 and 56,163.66

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Solution

The fourth proportional to 93,880.50, 129,555.12 and 56,163.66 is: 77,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,880.50 : 129,555.12 = 56,163.66 : x
  2. Step 2: Convert to fraction form
    93,880.50/129,555.12 = 56,163.66/x
  3. Step 3: Cross multiply
    93,880.50x = 129,555.12 × 56,163.66
  4. Step 4: Simplify right side
    93,880.50x = 7,276,289,710.94
  5. Step 5: Solve for x
    x = 7,276,289,710.94/93,880.50
  6. Step 6: Final answer
    x = 77,505.87

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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.