Home / 93,143.32-139,590.36-45,685.84

Finding the Fourth Proportional to 93,143.32, 139,590.36 and 45,685.84

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Solution

The fourth proportional to 93,143.32, 139,590.36 and 45,685.84 is: 68,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.32 : 139,590.36 = 45,685.84 : x
  2. Step 2: Convert to fraction form
    93,143.32/139,590.36 = 45,685.84/x
  3. Step 3: Cross multiply
    93,143.32x = 139,590.36 × 45,685.84
  4. Step 4: Simplify right side
    93,143.32x = 6,377,302,852.50
  5. Step 5: Solve for x
    x = 6,377,302,852.50/93,143.32
  6. Step 6: Final answer
    x = 68,467.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.