Home / 70,736.94-97,615.50-38,905.32

Finding the Fourth Proportional to 70,736.94, 97,615.50 and 38,905.32

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Solution

The fourth proportional to 70,736.94, 97,615.50 and 38,905.32 is: 53,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.94 : 97,615.50 = 38,905.32 : x
  2. Step 2: Convert to fraction form
    70,736.94/97,615.50 = 38,905.32/x
  3. Step 3: Cross multiply
    70,736.94x = 97,615.50 × 38,905.32
  4. Step 4: Simplify right side
    70,736.94x = 3,797,762,264.46
  5. Step 5: Solve for x
    x = 3,797,762,264.46/70,736.94
  6. Step 6: Final answer
    x = 53,688.53

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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.