Home / 58,640.02-80,922.87-31,782.51

Finding the Fourth Proportional to 58,640.02, 80,922.87 and 31,782.51

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Solution

The fourth proportional to 58,640.02, 80,922.87 and 31,782.51 is: 43,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640.02 : 80,922.87 = 31,782.51 : x
  2. Step 2: Convert to fraction form
    58,640.02/80,922.87 = 31,782.51/x
  3. Step 3: Cross multiply
    58,640.02x = 80,922.87 × 31,782.51
  4. Step 4: Simplify right side
    58,640.02x = 2,571,931,925.00
  5. Step 5: Solve for x
    x = 2,571,931,925.00/58,640.02
  6. Step 6: Final answer
    x = 43,859.67

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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.