Home / 97,212.69-145,831.19-38,040.71

Finding the Fourth Proportional to 97,212.69, 145,831.19 and 38,040.71

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Solution

The fourth proportional to 97,212.69, 145,831.19 and 38,040.71 is: 57,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,212.69 : 145,831.19 = 38,040.71 : x
  2. Step 2: Convert to fraction form
    97,212.69/145,831.19 = 38,040.71/x
  3. Step 3: Cross multiply
    97,212.69x = 145,831.19 × 38,040.71
  4. Step 4: Simplify right side
    97,212.69x = 5,547,521,088.39
  5. Step 5: Solve for x
    x = 5,547,521,088.39/97,212.69
  6. Step 6: Final answer
    x = 57,065.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.