Home / 66,447.56-99,560.35-46,690.75

Finding the Fourth Proportional to 66,447.56, 99,560.35 and 46,690.75

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Solution

The fourth proportional to 66,447.56, 99,560.35 and 46,690.75 is: 69,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.56 : 99,560.35 = 46,690.75 : x
  2. Step 2: Convert to fraction form
    66,447.56/99,560.35 = 46,690.75/x
  3. Step 3: Cross multiply
    66,447.56x = 99,560.35 × 46,690.75
  4. Step 4: Simplify right side
    66,447.56x = 4,648,547,411.76
  5. Step 5: Solve for x
    x = 4,648,547,411.76/66,447.56
  6. Step 6: Final answer
    x = 69,958.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.