Home / 61,004.42-84,174.13-38,330.28

Finding the Fourth Proportional to 61,004.42, 84,174.13 and 38,330.28

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Solution

The fourth proportional to 61,004.42, 84,174.13 and 38,330.28 is: 52,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004.42 : 84,174.13 = 38,330.28 : x
  2. Step 2: Convert to fraction form
    61,004.42/84,174.13 = 38,330.28/x
  3. Step 3: Cross multiply
    61,004.42x = 84,174.13 × 38,330.28
  4. Step 4: Simplify right side
    61,004.42x = 3,226,417,971.66
  5. Step 5: Solve for x
    x = 3,226,417,971.66/61,004.42
  6. Step 6: Final answer
    x = 52,888.27

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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.