Home / 93,880.89-129,554.91-51,438.51

Finding the Fourth Proportional to 93,880.89, 129,554.91 and 51,438.51

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Solution

The fourth proportional to 93,880.89, 129,554.91 and 51,438.51 is: 70,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,880.89 : 129,554.91 = 51,438.51 : x
  2. Step 2: Convert to fraction form
    93,880.89/129,554.91 = 51,438.51/x
  3. Step 3: Cross multiply
    93,880.89x = 129,554.91 × 51,438.51
  4. Step 4: Simplify right side
    93,880.89x = 6,664,111,533.58
  5. Step 5: Solve for x
    x = 6,664,111,533.58/93,880.89
  6. Step 6: Final answer
    x = 70,984.75

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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.