Home / 107,840.69-148,820.74-62,545.53

Finding the Fourth Proportional to 107,840.69, 148,820.74 and 62,545.53

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Solution

The fourth proportional to 107,840.69, 148,820.74 and 62,545.53 is: 86,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.69 : 148,820.74 = 62,545.53 : x
  2. Step 2: Convert to fraction form
    107,840.69/148,820.74 = 62,545.53/x
  3. Step 3: Cross multiply
    107,840.69x = 148,820.74 × 62,545.53
  4. Step 4: Simplify right side
    107,840.69x = 9,308,072,058.29
  5. Step 5: Solve for x
    x = 9,308,072,058.29/107,840.69
  6. Step 6: Final answer
    x = 86,313.17

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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.