Home / 70,678.02-97,537.47-38,847.72

Finding the Fourth Proportional to 70,678.02, 97,537.47 and 38,847.72

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Solution

The fourth proportional to 70,678.02, 97,537.47 and 38,847.72 is: 53,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,678.02 : 97,537.47 = 38,847.72 : x
  2. Step 2: Convert to fraction form
    70,678.02/97,537.47 = 38,847.72/x
  3. Step 3: Cross multiply
    70,678.02x = 97,537.47 × 38,847.72
  4. Step 4: Simplify right side
    70,678.02x = 3,789,108,324.07
  5. Step 5: Solve for x
    x = 3,789,108,324.07/70,678.02
  6. Step 6: Final answer
    x = 53,610.84

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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.