Home / 105,567.81-158,332.78-52,242.63

Finding the Fourth Proportional to 105,567.81, 158,332.78 and 52,242.63

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Solution

The fourth proportional to 105,567.81, 158,332.78 and 52,242.63 is: 78,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,567.81 : 158,332.78 = 52,242.63 : x
  2. Step 2: Convert to fraction form
    105,567.81/158,332.78 = 52,242.63/x
  3. Step 3: Cross multiply
    105,567.81x = 158,332.78 × 52,242.63
  4. Step 4: Simplify right side
    105,567.81x = 8,271,720,842.41
  5. Step 5: Solve for x
    x = 8,271,720,842.41/105,567.81
  6. Step 6: Final answer
    x = 78,354.57

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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.