Home / 71,214.32-98,379.96-56,206.64

Finding the Fourth Proportional to 71,214.32, 98,379.96 and 56,206.64

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Solution

The fourth proportional to 71,214.32, 98,379.96 and 56,206.64 is: 77,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,214.32 : 98,379.96 = 56,206.64 : x
  2. Step 2: Convert to fraction form
    71,214.32/98,379.96 = 56,206.64/x
  3. Step 3: Cross multiply
    71,214.32x = 98,379.96 × 56,206.64
  4. Step 4: Simplify right side
    71,214.32x = 5,529,606,994.93
  5. Step 5: Solve for x
    x = 5,529,606,994.93/71,214.32
  6. Step 6: Final answer
    x = 77,647.40

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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.