Home / 98,704.36-136,185.06-56,247.40

Finding the Fourth Proportional to 98,704.36, 136,185.06 and 56,247.40

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Solution

The fourth proportional to 98,704.36, 136,185.06 and 56,247.40 is: 77,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,704.36 : 136,185.06 = 56,247.40 : x
  2. Step 2: Convert to fraction form
    98,704.36/136,185.06 = 56,247.40/x
  3. Step 3: Cross multiply
    98,704.36x = 136,185.06 × 56,247.40
  4. Step 4: Simplify right side
    98,704.36x = 7,660,055,543.84
  5. Step 5: Solve for x
    x = 7,660,055,543.84/98,704.36
  6. Step 6: Final answer
    x = 77,606.05

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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.