Home / 76,427.96-105,454.32-46,207.28

Finding the Fourth Proportional to 76,427.96, 105,454.32 and 46,207.28

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Solution

The fourth proportional to 76,427.96, 105,454.32 and 46,207.28 is: 63,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.96 : 105,454.32 = 46,207.28 : x
  2. Step 2: Convert to fraction form
    76,427.96/105,454.32 = 46,207.28/x
  3. Step 3: Cross multiply
    76,427.96x = 105,454.32 × 46,207.28
  4. Step 4: Simplify right side
    76,427.96x = 4,872,757,291.45
  5. Step 5: Solve for x
    x = 4,872,757,291.45/76,427.96
  6. Step 6: Final answer
    x = 63,756.21

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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.