Home / 98,583.75-136,045.58-56,146.23

Finding the Fourth Proportional to 98,583.75, 136,045.58 and 56,146.23

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Solution

The fourth proportional to 98,583.75, 136,045.58 and 56,146.23 is: 77,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.75 : 136,045.58 = 56,146.23 : x
  2. Step 2: Convert to fraction form
    98,583.75/136,045.58 = 56,146.23/x
  3. Step 3: Cross multiply
    98,583.75x = 136,045.58 × 56,146.23
  4. Step 4: Simplify right side
    98,583.75x = 7,638,446,144.43
  5. Step 5: Solve for x
    x = 7,638,446,144.43/98,583.75
  6. Step 6: Final answer
    x = 77,481.80

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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.