Home / 56,960.30-78,034.32-54,830.60

Finding the Fourth Proportional to 56,960.30, 78,034.32 and 54,830.60

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Solution

The fourth proportional to 56,960.30, 78,034.32 and 54,830.60 is: 75,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,960.30 : 78,034.32 = 54,830.60 : x
  2. Step 2: Convert to fraction form
    56,960.30/78,034.32 = 54,830.60/x
  3. Step 3: Cross multiply
    56,960.30x = 78,034.32 × 54,830.60
  4. Step 4: Simplify right side
    56,960.30x = 4,278,668,312.04
  5. Step 5: Solve for x
    x = 4,278,668,312.04/56,960.30
  6. Step 6: Final answer
    x = 75,116.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.