Home / 93,872.37-139,971.18-83,440.38

Finding the Fourth Proportional to 93,872.37, 139,971.18 and 83,440.38

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Solution

The fourth proportional to 93,872.37, 139,971.18 and 83,440.38 is: 124,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,872.37 : 139,971.18 = 83,440.38 : x
  2. Step 2: Convert to fraction form
    93,872.37/139,971.18 = 83,440.38/x
  3. Step 3: Cross multiply
    93,872.37x = 139,971.18 × 83,440.38
  4. Step 4: Simplify right side
    93,872.37x = 11,679,248,448.25
  5. Step 5: Solve for x
    x = 11,679,248,448.25/93,872.37
  6. Step 6: Final answer
    x = 124,416.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.