Home / 99,091.51-136,737.25-58,798.33

Finding the Fourth Proportional to 99,091.51, 136,737.25 and 58,798.33

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Solution

The fourth proportional to 99,091.51, 136,737.25 and 58,798.33 is: 81,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,091.51 : 136,737.25 = 58,798.33 : x
  2. Step 2: Convert to fraction form
    99,091.51/136,737.25 = 58,798.33/x
  3. Step 3: Cross multiply
    99,091.51x = 136,737.25 × 58,798.33
  4. Step 4: Simplify right side
    99,091.51x = 8,039,921,948.79
  5. Step 5: Solve for x
    x = 8,039,921,948.79/99,091.51
  6. Step 6: Final answer
    x = 81,136.33

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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.