Home / 107,091.36-147,786.95-59,345.51

Finding the Fourth Proportional to 107,091.36, 147,786.95 and 59,345.51

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Solution

The fourth proportional to 107,091.36, 147,786.95 and 59,345.51 is: 81,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,091.36 : 147,786.95 = 59,345.51 : x
  2. Step 2: Convert to fraction form
    107,091.36/147,786.95 = 59,345.51/x
  3. Step 3: Cross multiply
    107,091.36x = 147,786.95 × 59,345.51
  4. Step 4: Simplify right side
    107,091.36x = 8,770,490,883.43
  5. Step 5: Solve for x
    x = 8,770,490,883.43/107,091.36
  6. Step 6: Final answer
    x = 81,897.28

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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.