Home / 107,661.15-148,569.29-59,913.47

Finding the Fourth Proportional to 107,661.15, 148,569.29 and 59,913.47

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Solution

The fourth proportional to 107,661.15, 148,569.29 and 59,913.47 is: 82,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661.15 : 148,569.29 = 59,913.47 : x
  2. Step 2: Convert to fraction form
    107,661.15/148,569.29 = 59,913.47/x
  3. Step 3: Cross multiply
    107,661.15x = 148,569.29 × 59,913.47
  4. Step 4: Simplify right side
    107,661.15x = 8,901,301,995.87
  5. Step 5: Solve for x
    x = 8,901,301,995.87/107,661.15
  6. Step 6: Final answer
    x = 82,678.87

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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.