Home / 77,018.40-106,280.32-44,750.16

Finding the Fourth Proportional to 77,018.40, 106,280.32 and 44,750.16

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Solution

The fourth proportional to 77,018.40, 106,280.32 and 44,750.16 is: 61,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.40 : 106,280.32 = 44,750.16 : x
  2. Step 2: Convert to fraction form
    77,018.40/106,280.32 = 44,750.16/x
  3. Step 3: Cross multiply
    77,018.40x = 106,280.32 × 44,750.16
  4. Step 4: Simplify right side
    77,018.40x = 4,756,061,324.85
  5. Step 5: Solve for x
    x = 4,756,061,324.85/77,018.40
  6. Step 6: Final answer
    x = 61,752.27

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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.