Home / 78,053.04-107,706.36-46,216.56

Finding the Fourth Proportional to 78,053.04, 107,706.36 and 46,216.56

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Solution

The fourth proportional to 78,053.04, 107,706.36 and 46,216.56 is: 63,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,053.04 : 107,706.36 = 46,216.56 : x
  2. Step 2: Convert to fraction form
    78,053.04/107,706.36 = 46,216.56/x
  3. Step 3: Cross multiply
    78,053.04x = 107,706.36 × 46,216.56
  4. Step 4: Simplify right side
    78,053.04x = 4,977,817,449.32
  5. Step 5: Solve for x
    x = 4,977,817,449.32/78,053.04
  6. Step 6: Final answer
    x = 63,774.81

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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.