Home / 70,946.40-97,906.74-39,114.48

Finding the Fourth Proportional to 70,946.40, 97,906.74 and 39,114.48

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Solution

The fourth proportional to 70,946.40, 97,906.74 and 39,114.48 is: 53,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.40 : 97,906.74 = 39,114.48 : x
  2. Step 2: Convert to fraction form
    70,946.40/97,906.74 = 39,114.48/x
  3. Step 3: Cross multiply
    70,946.40x = 97,906.74 × 39,114.48
  4. Step 4: Simplify right side
    70,946.40x = 3,829,571,223.60
  5. Step 5: Solve for x
    x = 3,829,571,223.60/70,946.40
  6. Step 6: Final answer
    x = 53,978.37

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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.