Home / 77,015.06-115,526.70-24,428.60

Finding the Fourth Proportional to 77,015.06, 115,526.70 and 24,428.60

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Solution

The fourth proportional to 77,015.06, 115,526.70 and 24,428.60 is: 36,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.06 : 115,526.70 = 24,428.60 : x
  2. Step 2: Convert to fraction form
    77,015.06/115,526.70 = 24,428.60/x
  3. Step 3: Cross multiply
    77,015.06x = 115,526.70 × 24,428.60
  4. Step 4: Simplify right side
    77,015.06x = 2,822,155,543.62
  5. Step 5: Solve for x
    x = 2,822,155,543.62/77,015.06
  6. Step 6: Final answer
    x = 36,644.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.