Home / 70,961.16-97,927.02-39,131.16

Finding the Fourth Proportional to 70,961.16, 97,927.02 and 39,131.16

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Solution

The fourth proportional to 70,961.16, 97,927.02 and 39,131.16 is: 54,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.16 : 97,927.02 = 39,131.16 : x
  2. Step 2: Convert to fraction form
    70,961.16/97,927.02 = 39,131.16/x
  3. Step 3: Cross multiply
    70,961.16x = 97,927.02 × 39,131.16
  4. Step 4: Simplify right side
    70,961.16x = 3,831,997,887.94
  5. Step 5: Solve for x
    x = 3,831,997,887.94/70,961.16
  6. Step 6: Final answer
    x = 54,001.34

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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.