Home / 98,868.22-136,447.94-56,433.13

Finding the Fourth Proportional to 98,868.22, 136,447.94 and 56,433.13

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Solution

The fourth proportional to 98,868.22, 136,447.94 and 56,433.13 is: 77,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.22 : 136,447.94 = 56,433.13 : x
  2. Step 2: Convert to fraction form
    98,868.22/136,447.94 = 56,433.13/x
  3. Step 3: Cross multiply
    98,868.22x = 136,447.94 × 56,433.13
  4. Step 4: Simplify right side
    98,868.22x = 7,700,184,136.22
  5. Step 5: Solve for x
    x = 7,700,184,136.22/98,868.22
  6. Step 6: Final answer
    x = 77,883.31

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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.