Home / 101,549.37-140,146.02-56,231.57

Finding the Fourth Proportional to 101,549.37, 140,146.02 and 56,231.57

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Solution

The fourth proportional to 101,549.37, 140,146.02 and 56,231.57 is: 77,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.37 : 140,146.02 = 56,231.57 : x
  2. Step 2: Convert to fraction form
    101,549.37/140,146.02 = 56,231.57/x
  3. Step 3: Cross multiply
    101,549.37x = 140,146.02 × 56,231.57
  4. Step 4: Simplify right side
    101,549.37x = 7,880,630,733.85
  5. Step 5: Solve for x
    x = 7,880,630,733.85/101,549.37
  6. Step 6: Final answer
    x = 77,603.94

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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.