Home / 106,430.90-146,875.24-58,683.40

Finding the Fourth Proportional to 106,430.90, 146,875.24 and 58,683.40

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Solution

The fourth proportional to 106,430.90, 146,875.24 and 58,683.40 is: 80,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.90 : 146,875.24 = 58,683.40 : x
  2. Step 2: Convert to fraction form
    106,430.90/146,875.24 = 58,683.40/x
  3. Step 3: Cross multiply
    106,430.90x = 146,875.24 × 58,683.40
  4. Step 4: Simplify right side
    106,430.90x = 8,619,138,459.02
  5. Step 5: Solve for x
    x = 8,619,138,459.02/106,430.90
  6. Step 6: Final answer
    x = 80,983.42

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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.