Home / 84,954.18-127,429.18-34,999.68

Finding the Fourth Proportional to 84,954.18, 127,429.18 and 34,999.68

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Solution

The fourth proportional to 84,954.18, 127,429.18 and 34,999.68 is: 52,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.18 : 127,429.18 = 34,999.68 : x
  2. Step 2: Convert to fraction form
    84,954.18/127,429.18 = 34,999.68/x
  3. Step 3: Cross multiply
    84,954.18x = 127,429.18 × 34,999.68
  4. Step 4: Simplify right side
    84,954.18x = 4,459,980,522.66
  5. Step 5: Solve for x
    x = 4,459,980,522.66/84,954.18
  6. Step 6: Final answer
    x = 52,498.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.