Home / 78,798.50-108,727.06-46,970.36

Finding the Fourth Proportional to 78,798.50, 108,727.06 and 46,970.36

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Solution

The fourth proportional to 78,798.50, 108,727.06 and 46,970.36 is: 64,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,798.50 : 108,727.06 = 46,970.36 : x
  2. Step 2: Convert to fraction form
    78,798.50/108,727.06 = 46,970.36/x
  3. Step 3: Cross multiply
    78,798.50x = 108,727.06 × 46,970.36
  4. Step 4: Simplify right side
    78,798.50x = 5,106,949,149.94
  5. Step 5: Solve for x
    x = 5,106,949,149.94/78,798.50
  6. Step 6: Final answer
    x = 64,810.23

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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.