Home / 78,038.40-107,706.96-46,223.04

Finding the Fourth Proportional to 78,038.40, 107,706.96 and 46,223.04

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Solution

The fourth proportional to 78,038.40, 107,706.96 and 46,223.04 is: 63,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,038.40 : 107,706.96 = 46,223.04 : x
  2. Step 2: Convert to fraction form
    78,038.40/107,706.96 = 46,223.04/x
  3. Step 3: Cross multiply
    78,038.40x = 107,706.96 × 46,223.04
  4. Step 4: Simplify right side
    78,038.40x = 4,978,543,120.36
  5. Step 5: Solve for x
    x = 4,978,543,120.36/78,038.40
  6. Step 6: Final answer
    x = 63,796.07

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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.