Home / 79,430.05-118,963.62-37,906.21

Finding the Fourth Proportional to 79,430.05, 118,963.62 and 37,906.21

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Solution

The fourth proportional to 79,430.05, 118,963.62 and 37,906.21 is: 56,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.05 : 118,963.62 = 37,906.21 : x
  2. Step 2: Convert to fraction form
    79,430.05/118,963.62 = 37,906.21/x
  3. Step 3: Cross multiply
    79,430.05x = 118,963.62 × 37,906.21
  4. Step 4: Simplify right side
    79,430.05x = 4,509,459,772.55
  5. Step 5: Solve for x
    x = 4,509,459,772.55/79,430.05
  6. Step 6: Final answer
    x = 56,772.72

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1.5x scale

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.