Home / 99,046.74-136,495.53-70,703.22

Finding the Fourth Proportional to 99,046.74, 136,495.53 and 70,703.22

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Solution

The fourth proportional to 99,046.74, 136,495.53 and 70,703.22 is: 97,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046.74 : 136,495.53 = 70,703.22 : x
  2. Step 2: Convert to fraction form
    99,046.74/136,495.53 = 70,703.22/x
  3. Step 3: Cross multiply
    99,046.74x = 136,495.53 × 70,703.22
  4. Step 4: Simplify right side
    99,046.74x = 9,650,673,486.61
  5. Step 5: Solve for x
    x = 9,650,673,486.61/99,046.74
  6. Step 6: Final answer
    x = 97,435.55

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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.