Home / 70,944.40-97,903.98-39,112.48

Finding the Fourth Proportional to 70,944.40, 97,903.98 and 39,112.48

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Solution

The fourth proportional to 70,944.40, 97,903.98 and 39,112.48 is: 53,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.40 : 97,903.98 = 39,112.48 : x
  2. Step 2: Convert to fraction form
    70,944.40/97,903.98 = 39,112.48/x
  3. Step 3: Cross multiply
    70,944.40x = 97,903.98 × 39,112.48
  4. Step 4: Simplify right side
    70,944.40x = 3,829,267,459.67
  5. Step 5: Solve for x
    x = 3,829,267,459.67/70,944.40
  6. Step 6: Final answer
    x = 53,975.61

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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.