Home / 104,205.95-143,804.37-56,459.31

Finding the Fourth Proportional to 104,205.95, 143,804.37 and 56,459.31

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Solution

The fourth proportional to 104,205.95, 143,804.37 and 56,459.31 is: 77,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,205.95 : 143,804.37 = 56,459.31 : x
  2. Step 2: Convert to fraction form
    104,205.95/143,804.37 = 56,459.31/x
  3. Step 3: Cross multiply
    104,205.95x = 143,804.37 × 56,459.31
  4. Step 4: Simplify right side
    104,205.95x = 8,119,095,505.18
  5. Step 5: Solve for x
    x = 8,119,095,505.18/104,205.95
  6. Step 6: Final answer
    x = 77,913.93

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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.