Home / 61,003.42-84,172.75-38,329.28

Finding the Fourth Proportional to 61,003.42, 84,172.75 and 38,329.28

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Solution

The fourth proportional to 61,003.42, 84,172.75 and 38,329.28 is: 52,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,003.42 : 84,172.75 = 38,329.28 : x
  2. Step 2: Convert to fraction form
    61,003.42/84,172.75 = 38,329.28/x
  3. Step 3: Cross multiply
    61,003.42x = 84,172.75 × 38,329.28
  4. Step 4: Simplify right side
    61,003.42x = 3,226,280,903.12
  5. Step 5: Solve for x
    x = 3,226,280,903.12/61,003.42
  6. Step 6: Final answer
    x = 52,886.89

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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.