Home / 107,130.17-147,824.11-59,383.51

Finding the Fourth Proportional to 107,130.17, 147,824.11 and 59,383.51

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Solution

The fourth proportional to 107,130.17, 147,824.11 and 59,383.51 is: 81,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.17 : 147,824.11 = 59,383.51 : x
  2. Step 2: Convert to fraction form
    107,130.17/147,824.11 = 59,383.51/x
  3. Step 3: Cross multiply
    107,130.17x = 147,824.11 × 59,383.51
  4. Step 4: Simplify right side
    107,130.17x = 8,778,314,514.43
  5. Step 5: Solve for x
    x = 8,778,314,514.43/107,130.17
  6. Step 6: Final answer
    x = 81,940.64

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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.