Home / 76,569.04-105,667.56-46,359.89

Finding the Fourth Proportional to 76,569.04, 105,667.56 and 46,359.89

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Solution

The fourth proportional to 76,569.04, 105,667.56 and 46,359.89 is: 63,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,569.04 : 105,667.56 = 46,359.89 : x
  2. Step 2: Convert to fraction form
    76,569.04/105,667.56 = 46,359.89/x
  3. Step 3: Cross multiply
    76,569.04x = 105,667.56 × 46,359.89
  4. Step 4: Simplify right side
    76,569.04x = 4,898,735,698.03
  5. Step 5: Solve for x
    x = 4,898,735,698.03/76,569.04
  6. Step 6: Final answer
    x = 63,978.03

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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.