Home / 99,195.84-136,920.60-58,916.16

Finding the Fourth Proportional to 99,195.84, 136,920.60 and 58,916.16

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Solution

The fourth proportional to 99,195.84, 136,920.60 and 58,916.16 is: 81,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,195.84 : 136,920.60 = 58,916.16 : x
  2. Step 2: Convert to fraction form
    99,195.84/136,920.60 = 58,916.16/x
  3. Step 3: Cross multiply
    99,195.84x = 136,920.60 × 58,916.16
  4. Step 4: Simplify right side
    99,195.84x = 8,066,835,976.90
  5. Step 5: Solve for x
    x = 8,066,835,976.90/99,195.84
  6. Step 6: Final answer
    x = 81,322.32

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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.