Home / 98,337.16-135,696.18-55,887.40

Finding the Fourth Proportional to 98,337.16, 135,696.18 and 55,887.40

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Solution

The fourth proportional to 98,337.16, 135,696.18 and 55,887.40 is: 77,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337.16 : 135,696.18 = 55,887.40 : x
  2. Step 2: Convert to fraction form
    98,337.16/135,696.18 = 55,887.40/x
  3. Step 3: Cross multiply
    98,337.16x = 135,696.18 × 55,887.40
  4. Step 4: Simplify right side
    98,337.16x = 7,583,706,690.13
  5. Step 5: Solve for x
    x = 7,583,706,690.13/98,337.16
  6. Step 6: Final answer
    x = 77,119.44

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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.