Home / 77,326.68-106,762.24-59,389.64

Finding the Fourth Proportional to 77,326.68, 106,762.24 and 59,389.64

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Solution

The fourth proportional to 77,326.68, 106,762.24 and 59,389.64 is: 81,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.68 : 106,762.24 = 59,389.64 : x
  2. Step 2: Convert to fraction form
    77,326.68/106,762.24 = 59,389.64/x
  3. Step 3: Cross multiply
    77,326.68x = 106,762.24 × 59,389.64
  4. Step 4: Simplify right side
    77,326.68x = 6,340,570,999.19
  5. Step 5: Solve for x
    x = 6,340,570,999.19/77,326.68
  6. Step 6: Final answer
    x = 81,997.20

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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.