Home / 101,840.29-140,535.44-56,520.16

Finding the Fourth Proportional to 101,840.29, 140,535.44 and 56,520.16

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Solution

The fourth proportional to 101,840.29, 140,535.44 and 56,520.16 is: 77,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,840.29 : 140,535.44 = 56,520.16 : x
  2. Step 2: Convert to fraction form
    101,840.29/140,535.44 = 56,520.16/x
  3. Step 3: Cross multiply
    101,840.29x = 140,535.44 × 56,520.16
  4. Step 4: Simplify right side
    101,840.29x = 7,943,085,271.87
  5. Step 5: Solve for x
    x = 7,943,085,271.87/101,840.29
  6. Step 6: Final answer
    x = 77,995.51

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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.