Home / 98,899.04-136,494.60-56,460.08

Finding the Fourth Proportional to 98,899.04, 136,494.60 and 56,460.08

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Solution

The fourth proportional to 98,899.04, 136,494.60 and 56,460.08 is: 77,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,899.04 : 136,494.60 = 56,460.08 : x
  2. Step 2: Convert to fraction form
    98,899.04/136,494.60 = 56,460.08/x
  3. Step 3: Cross multiply
    98,899.04x = 136,494.60 × 56,460.08
  4. Step 4: Simplify right side
    98,899.04x = 7,706,496,035.57
  5. Step 5: Solve for x
    x = 7,706,496,035.57/98,899.04
  6. Step 6: Final answer
    x = 77,922.86

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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.