Home / 77,627.85-107,124.98-48,941.70

Finding the Fourth Proportional to 77,627.85, 107,124.98 and 48,941.70

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Solution

The fourth proportional to 77,627.85, 107,124.98 and 48,941.70 is: 67,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,627.85 : 107,124.98 = 48,941.70 : x
  2. Step 2: Convert to fraction form
    77,627.85/107,124.98 = 48,941.70/x
  3. Step 3: Cross multiply
    77,627.85x = 107,124.98 × 48,941.70
  4. Step 4: Simplify right side
    77,627.85x = 5,242,878,388.96
  5. Step 5: Solve for x
    x = 5,242,878,388.96/77,627.85
  6. Step 6: Final answer
    x = 67,538.63

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1.5x scale

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.