Home / 98,805.16-136,338.42-56,361.16

Finding the Fourth Proportional to 98,805.16, 136,338.42 and 56,361.16

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Solution

The fourth proportional to 98,805.16, 136,338.42 and 56,361.16 is: 77,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,805.16 : 136,338.42 = 56,361.16 : x
  2. Step 2: Convert to fraction form
    98,805.16/136,338.42 = 56,361.16/x
  3. Step 3: Cross multiply
    98,805.16x = 136,338.42 × 56,361.16
  4. Step 4: Simplify right side
    98,805.16x = 7,684,191,503.77
  5. Step 5: Solve for x
    x = 7,684,191,503.77/98,805.16
  6. Step 6: Final answer
    x = 77,771.16

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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.