Home / 85,049.29-127,495.05-37,639.18

Finding the Fourth Proportional to 85,049.29, 127,495.05 and 37,639.18

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Solution

The fourth proportional to 85,049.29, 127,495.05 and 37,639.18 is: 56,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,049.29 : 127,495.05 = 37,639.18 : x
  2. Step 2: Convert to fraction form
    85,049.29/127,495.05 = 37,639.18/x
  3. Step 3: Cross multiply
    85,049.29x = 127,495.05 × 37,639.18
  4. Step 4: Simplify right side
    85,049.29x = 4,798,809,136.06
  5. Step 5: Solve for x
    x = 4,798,809,136.06/85,049.29
  6. Step 6: Final answer
    x = 56,423.86

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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.