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Finding the Fourth Proportional to 66,567.01, 99,739.81 and 46,804.14

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Solution

The fourth proportional to 66,567.01, 99,739.81 and 46,804.14 is: 70,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.01 : 99,739.81 = 46,804.14 : x
  2. Step 2: Convert to fraction form
    66,567.01/99,739.81 = 46,804.14/x
  3. Step 3: Cross multiply
    66,567.01x = 99,739.81 × 46,804.14
  4. Step 4: Simplify right side
    66,567.01x = 4,668,236,030.81
  5. Step 5: Solve for x
    x = 4,668,236,030.81/66,567.01
  6. Step 6: Final answer
    x = 70,128.37

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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.