Home / 84,567.86-116,698.64-46,319.78

Finding the Fourth Proportional to 84,567.86, 116,698.64 and 46,319.78

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Solution

The fourth proportional to 84,567.86, 116,698.64 and 46,319.78 is: 63,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.86 : 116,698.64 = 46,319.78 : x
  2. Step 2: Convert to fraction form
    84,567.86/116,698.64 = 46,319.78/x
  3. Step 3: Cross multiply
    84,567.86x = 116,698.64 × 46,319.78
  4. Step 4: Simplify right side
    84,567.86x = 5,405,455,331.10
  5. Step 5: Solve for x
    x = 5,405,455,331.10/84,567.86
  6. Step 6: Final answer
    x = 63,918.55

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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.