Home / 93,112.11-128,495.03-50,670.81

Finding the Fourth Proportional to 93,112.11, 128,495.03 and 50,670.81

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Solution

The fourth proportional to 93,112.11, 128,495.03 and 50,670.81 is: 69,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,112.11 : 128,495.03 = 50,670.81 : x
  2. Step 2: Convert to fraction form
    93,112.11/128,495.03 = 50,670.81/x
  3. Step 3: Cross multiply
    93,112.11x = 128,495.03 × 50,670.81
  4. Step 4: Simplify right side
    93,112.11x = 6,510,946,997.72
  5. Step 5: Solve for x
    x = 6,510,946,997.72/93,112.11
  6. Step 6: Final answer
    x = 69,925.89

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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.