Home / 62,698.48-86,521.12-34,403.60

Finding the Fourth Proportional to 62,698.48, 86,521.12 and 34,403.60

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Solution

The fourth proportional to 62,698.48, 86,521.12 and 34,403.60 is: 47,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,698.48 : 86,521.12 = 34,403.60 : x
  2. Step 2: Convert to fraction form
    62,698.48/86,521.12 = 34,403.60/x
  3. Step 3: Cross multiply
    62,698.48x = 86,521.12 × 34,403.60
  4. Step 4: Simplify right side
    62,698.48x = 2,976,638,004.03
  5. Step 5: Solve for x
    x = 2,976,638,004.03/62,698.48
  6. Step 6: Final answer
    x = 47,475.44

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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.