Home / 107,045.07-147,722.19-59,301.51

Finding the Fourth Proportional to 107,045.07, 147,722.19 and 59,301.51

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Solution

The fourth proportional to 107,045.07, 147,722.19 and 59,301.51 is: 81,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,045.07 : 147,722.19 = 59,301.51 : x
  2. Step 2: Convert to fraction form
    107,045.07/147,722.19 = 59,301.51/x
  3. Step 3: Cross multiply
    107,045.07x = 147,722.19 × 59,301.51
  4. Step 4: Simplify right side
    107,045.07x = 8,760,148,927.51
  5. Step 5: Solve for x
    x = 8,760,148,927.51/107,045.07
  6. Step 6: Final answer
    x = 81,836.08

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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.