Home / 77,386.47-106,816.14-50,533.17

Finding the Fourth Proportional to 77,386.47, 106,816.14 and 50,533.17

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Solution

The fourth proportional to 77,386.47, 106,816.14 and 50,533.17 is: 69,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,386.47 : 106,816.14 = 50,533.17 : x
  2. Step 2: Convert to fraction form
    77,386.47/106,816.14 = 50,533.17/x
  3. Step 3: Cross multiply
    77,386.47x = 106,816.14 × 50,533.17
  4. Step 4: Simplify right side
    77,386.47x = 5,397,758,161.36
  5. Step 5: Solve for x
    x = 5,397,758,161.36/77,386.47
  6. Step 6: Final answer
    x = 69,750.67

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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.