Home / 66,438.15-99,546.30-46,681.35

Finding the Fourth Proportional to 66,438.15, 99,546.30 and 46,681.35

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Solution

The fourth proportional to 66,438.15, 99,546.30 and 46,681.35 is: 69,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438.15 : 99,546.30 = 46,681.35 : x
  2. Step 2: Convert to fraction form
    66,438.15/99,546.30 = 46,681.35/x
  3. Step 3: Cross multiply
    66,438.15x = 99,546.30 × 46,681.35
  4. Step 4: Simplify right side
    66,438.15x = 4,646,955,671.51
  5. Step 5: Solve for x
    x = 4,646,955,671.51/66,438.15
  6. Step 6: Final answer
    x = 69,944.09

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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.