Home / 99,180.84-136,870.56-53,859.22

Finding the Fourth Proportional to 99,180.84, 136,870.56 and 53,859.22

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Solution

The fourth proportional to 99,180.84, 136,870.56 and 53,859.22 is: 74,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,180.84 : 136,870.56 = 53,859.22 : x
  2. Step 2: Convert to fraction form
    99,180.84/136,870.56 = 53,859.22/x
  3. Step 3: Cross multiply
    99,180.84x = 136,870.56 × 53,859.22
  4. Step 4: Simplify right side
    99,180.84x = 7,371,741,058.41
  5. Step 5: Solve for x
    x = 7,371,741,058.41/99,180.84
  6. Step 6: Final answer
    x = 74,326.26

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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.