Home / 69,921.36-96,492.18-39,707.34

Finding the Fourth Proportional to 69,921.36, 96,492.18 and 39,707.34

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Solution

The fourth proportional to 69,921.36, 96,492.18 and 39,707.34 is: 54,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.36 : 96,492.18 = 39,707.34 : x
  2. Step 2: Convert to fraction form
    69,921.36/96,492.18 = 39,707.34/x
  3. Step 3: Cross multiply
    69,921.36x = 96,492.18 × 39,707.34
  4. Step 4: Simplify right side
    69,921.36x = 3,831,447,798.60
  5. Step 5: Solve for x
    x = 3,831,447,798.60/69,921.36
  6. Step 6: Final answer
    x = 54,796.53

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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.