Home / 107,683.20-148,601.52-62,971.20

Finding the Fourth Proportional to 107,683.20, 148,601.52 and 62,971.20

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Solution

The fourth proportional to 107,683.20, 148,601.52 and 62,971.20 is: 86,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683.20 : 148,601.52 = 62,971.20 : x
  2. Step 2: Convert to fraction form
    107,683.20/148,601.52 = 62,971.20/x
  3. Step 3: Cross multiply
    107,683.20x = 148,601.52 × 62,971.20
  4. Step 4: Simplify right side
    107,683.20x = 9,357,616,036.22
  5. Step 5: Solve for x
    x = 9,357,616,036.22/107,683.20
  6. Step 6: Final answer
    x = 86,899.50

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1.5x scale

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.