Home / 61,191.36-84,440.28-34,328.88

Finding the Fourth Proportional to 61,191.36, 84,440.28 and 34,328.88

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Solution

The fourth proportional to 61,191.36, 84,440.28 and 34,328.88 is: 47,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.36 : 84,440.28 = 34,328.88 : x
  2. Step 2: Convert to fraction form
    61,191.36/84,440.28 = 34,328.88/x
  3. Step 3: Cross multiply
    61,191.36x = 84,440.28 × 34,328.88
  4. Step 4: Simplify right side
    61,191.36x = 2,898,740,239.29
  5. Step 5: Solve for x
    x = 2,898,740,239.29/61,191.36
  6. Step 6: Final answer
    x = 47,371.72

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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.