Home / 77,247.75-106,650.08-59,307.06

Finding the Fourth Proportional to 77,247.75, 106,650.08 and 59,307.06

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Solution

The fourth proportional to 77,247.75, 106,650.08 and 59,307.06 is: 81,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,247.75 : 106,650.08 = 59,307.06 : x
  2. Step 2: Convert to fraction form
    77,247.75/106,650.08 = 59,307.06/x
  3. Step 3: Cross multiply
    77,247.75x = 106,650.08 × 59,307.06
  4. Step 4: Simplify right side
    77,247.75x = 6,325,102,693.56
  5. Step 5: Solve for x
    x = 6,325,102,693.56/77,247.75
  6. Step 6: Final answer
    x = 81,880.74

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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.