Home / 77,440.30-106,976.48-59,762.51

Finding the Fourth Proportional to 77,440.30, 106,976.48 and 59,762.51

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Solution

The fourth proportional to 77,440.30, 106,976.48 and 59,762.51 is: 82,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.30 : 106,976.48 = 59,762.51 : x
  2. Step 2: Convert to fraction form
    77,440.30/106,976.48 = 59,762.51/x
  3. Step 3: Cross multiply
    77,440.30x = 106,976.48 × 59,762.51
  4. Step 4: Simplify right side
    77,440.30x = 6,393,182,570.29
  5. Step 5: Solve for x
    x = 6,393,182,570.29/77,440.30
  6. Step 6: Final answer
    x = 82,556.28

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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.