Home / 107,369.76-148,159.44-62,683.68

Finding the Fourth Proportional to 107,369.76, 148,159.44 and 62,683.68

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Solution

The fourth proportional to 107,369.76, 148,159.44 and 62,683.68 is: 86,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,369.76 : 148,159.44 = 62,683.68 : x
  2. Step 2: Convert to fraction form
    107,369.76/148,159.44 = 62,683.68/x
  3. Step 3: Cross multiply
    107,369.76x = 148,159.44 × 62,683.68
  4. Step 4: Simplify right side
    107,369.76x = 9,287,178,925.94
  5. Step 5: Solve for x
    x = 9,287,178,925.94/107,369.76
  6. Step 6: Final answer
    x = 86,497.16

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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.