Home / 93,361.05-128,837.65-53,074.81

Finding the Fourth Proportional to 93,361.05, 128,837.65 and 53,074.81

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Solution

The fourth proportional to 93,361.05, 128,837.65 and 53,074.81 is: 73,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.05 : 128,837.65 = 53,074.81 : x
  2. Step 2: Convert to fraction form
    93,361.05/128,837.65 = 53,074.81/x
  3. Step 3: Cross multiply
    93,361.05x = 128,837.65 × 53,074.81
  4. Step 4: Simplify right side
    93,361.05x = 6,838,033,377.80
  5. Step 5: Solve for x
    x = 6,838,033,377.80/93,361.05
  6. Step 6: Final answer
    x = 73,242.90

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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.