Home / 70,900.28-97,844.48-39,071.22

Finding the Fourth Proportional to 70,900.28, 97,844.48 and 39,071.22

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Solution

The fourth proportional to 70,900.28, 97,844.48 and 39,071.22 is: 53,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,900.28 : 97,844.48 = 39,071.22 : x
  2. Step 2: Convert to fraction form
    70,900.28/97,844.48 = 39,071.22/x
  3. Step 3: Cross multiply
    70,900.28x = 97,844.48 × 39,071.22
  4. Step 4: Simplify right side
    70,900.28x = 3,822,903,203.87
  5. Step 5: Solve for x
    x = 3,822,903,203.87/70,900.28
  6. Step 6: Final answer
    x = 53,919.44

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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.