Home / 66,516.03-91,807.16-45,303.75

Finding the Fourth Proportional to 66,516.03, 91,807.16 and 45,303.75

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Solution

The fourth proportional to 66,516.03, 91,807.16 and 45,303.75 is: 62,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.03 : 91,807.16 = 45,303.75 : x
  2. Step 2: Convert to fraction form
    66,516.03/91,807.16 = 45,303.75/x
  3. Step 3: Cross multiply
    66,516.03x = 91,807.16 × 45,303.75
  4. Step 4: Simplify right side
    66,516.03x = 4,159,208,398.33
  5. Step 5: Solve for x
    x = 4,159,208,398.33/66,516.03
  6. Step 6: Final answer
    x = 62,529.41

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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.