Home / 70,638.37-97,447.27-51,477.06

Finding the Fourth Proportional to 70,638.37, 97,447.27 and 51,477.06

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Solution

The fourth proportional to 70,638.37, 97,447.27 and 51,477.06 is: 71,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,638.37 : 97,447.27 = 51,477.06 : x
  2. Step 2: Convert to fraction form
    70,638.37/97,447.27 = 51,477.06/x
  3. Step 3: Cross multiply
    70,638.37x = 97,447.27 × 51,477.06
  4. Step 4: Simplify right side
    70,638.37x = 5,016,298,964.63
  5. Step 5: Solve for x
    x = 5,016,298,964.63/70,638.37
  6. Step 6: Final answer
    x = 71,013.80

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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.