Home / 105,258.98-157,794.86-38,683.55

Finding the Fourth Proportional to 105,258.98, 157,794.86 and 38,683.55

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Solution

The fourth proportional to 105,258.98, 157,794.86 and 38,683.55 is: 57,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,258.98 : 157,794.86 = 38,683.55 : x
  2. Step 2: Convert to fraction form
    105,258.98/157,794.86 = 38,683.55/x
  3. Step 3: Cross multiply
    105,258.98x = 157,794.86 × 38,683.55
  4. Step 4: Simplify right side
    105,258.98x = 6,104,064,374.16
  5. Step 5: Solve for x
    x = 6,104,064,374.16/105,258.98
  6. Step 6: Final answer
    x = 57,990.92

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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.