Home / 93,401.55-128,743.57-63,175.85

Finding the Fourth Proportional to 93,401.55, 128,743.57 and 63,175.85

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Solution

The fourth proportional to 93,401.55, 128,743.57 and 63,175.85 is: 87,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.55 : 128,743.57 = 63,175.85 : x
  2. Step 2: Convert to fraction form
    93,401.55/128,743.57 = 63,175.85/x
  3. Step 3: Cross multiply
    93,401.55x = 128,743.57 × 63,175.85
  4. Step 4: Simplify right side
    93,401.55x = 8,133,483,665.13
  5. Step 5: Solve for x
    x = 8,133,483,665.13/93,401.55
  6. Step 6: Final answer
    x = 87,080.82

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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.