Home / 105,206.48-157,812.96-46,011.68

Finding the Fourth Proportional to 105,206.48, 157,812.96 and 46,011.68

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Solution

The fourth proportional to 105,206.48, 157,812.96 and 46,011.68 is: 69,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,206.48 : 157,812.96 = 46,011.68 : x
  2. Step 2: Convert to fraction form
    105,206.48/157,812.96 = 46,011.68/x
  3. Step 3: Cross multiply
    105,206.48x = 157,812.96 × 46,011.68
  4. Step 4: Simplify right side
    105,206.48x = 7,261,239,415.37
  5. Step 5: Solve for x
    x = 7,261,239,415.37/105,206.48
  6. Step 6: Final answer
    x = 69,018.94

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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.