Home / 61,022.72-84,211.56-34,165.28

Finding the Fourth Proportional to 61,022.72, 84,211.56 and 34,165.28

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Solution

The fourth proportional to 61,022.72, 84,211.56 and 34,165.28 is: 47,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,022.72 : 84,211.56 = 34,165.28 : x
  2. Step 2: Convert to fraction form
    61,022.72/84,211.56 = 34,165.28/x
  3. Step 3: Cross multiply
    61,022.72x = 84,211.56 × 34,165.28
  4. Step 4: Simplify right side
    61,022.72x = 2,877,111,526.64
  5. Step 5: Solve for x
    x = 2,877,111,526.64/61,022.72
  6. Step 6: Final answer
    x = 47,148.20

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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.