Home / 98,954.82-136,559.16-56,513.43

Finding the Fourth Proportional to 98,954.82, 136,559.16 and 56,513.43

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Solution

The fourth proportional to 98,954.82, 136,559.16 and 56,513.43 is: 77,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,954.82 : 136,559.16 = 56,513.43 : x
  2. Step 2: Convert to fraction form
    98,954.82/136,559.16 = 56,513.43/x
  3. Step 3: Cross multiply
    98,954.82x = 136,559.16 × 56,513.43
  4. Step 4: Simplify right side
    98,954.82x = 7,717,426,529.52
  5. Step 5: Solve for x
    x = 7,717,426,529.52/98,954.82
  6. Step 6: Final answer
    x = 77,989.39

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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.