Home / 78,156.12-107,852.94-44,622.12

Finding the Fourth Proportional to 78,156.12, 107,852.94 and 44,622.12

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Solution

The fourth proportional to 78,156.12, 107,852.94 and 44,622.12 is: 61,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,156.12 : 107,852.94 = 44,622.12 : x
  2. Step 2: Convert to fraction form
    78,156.12/107,852.94 = 44,622.12/x
  3. Step 3: Cross multiply
    78,156.12x = 107,852.94 × 44,622.12
  4. Step 4: Simplify right side
    78,156.12x = 4,812,626,831.03
  5. Step 5: Solve for x
    x = 4,812,626,831.03/78,156.12
  6. Step 6: Final answer
    x = 61,577.10

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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.