Home / 85,948.75-128,955.93-33,362.34

Finding the Fourth Proportional to 85,948.75, 128,955.93 and 33,362.34

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Solution

The fourth proportional to 85,948.75, 128,955.93 and 33,362.34 is: 50,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,948.75 : 128,955.93 = 33,362.34 : x
  2. Step 2: Convert to fraction form
    85,948.75/128,955.93 = 33,362.34/x
  3. Step 3: Cross multiply
    85,948.75x = 128,955.93 × 33,362.34
  4. Step 4: Simplify right side
    85,948.75x = 4,302,271,581.68
  5. Step 5: Solve for x
    x = 4,302,271,581.68/85,948.75
  6. Step 6: Final answer
    x = 50,056.24

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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.