Home / 66,466.12-91,671.37-42,595.01

Finding the Fourth Proportional to 66,466.12, 91,671.37 and 42,595.01

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Solution

The fourth proportional to 66,466.12, 91,671.37 and 42,595.01 is: 58,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.12 : 91,671.37 = 42,595.01 : x
  2. Step 2: Convert to fraction form
    66,466.12/91,671.37 = 42,595.01/x
  3. Step 3: Cross multiply
    66,466.12x = 91,671.37 × 42,595.01
  4. Step 4: Simplify right side
    66,466.12x = 3,904,742,921.86
  5. Step 5: Solve for x
    x = 3,904,742,921.86/66,466.12
  6. Step 6: Final answer
    x = 58,747.87

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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.