Home / 89,085.06-122,938.79-48,802.64

Finding the Fourth Proportional to 89,085.06, 122,938.79 and 48,802.64

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Solution

The fourth proportional to 89,085.06, 122,938.79 and 48,802.64 is: 67,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.06 : 122,938.79 = 48,802.64 : x
  2. Step 2: Convert to fraction form
    89,085.06/122,938.79 = 48,802.64/x
  3. Step 3: Cross multiply
    89,085.06x = 122,938.79 × 48,802.64
  4. Step 4: Simplify right side
    89,085.06x = 5,999,736,651.70
  5. Step 5: Solve for x
    x = 5,999,736,651.70/89,085.06
  6. Step 6: Final answer
    x = 67,348.40

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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.