Home / 80,719.34-111,390.95-46,729.26

Finding the Fourth Proportional to 80,719.34, 111,390.95 and 46,729.26

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Solution

The fourth proportional to 80,719.34, 111,390.95 and 46,729.26 is: 64,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719.34 : 111,390.95 = 46,729.26 : x
  2. Step 2: Convert to fraction form
    80,719.34/111,390.95 = 46,729.26/x
  3. Step 3: Cross multiply
    80,719.34x = 111,390.95 × 46,729.26
  4. Step 4: Simplify right side
    80,719.34x = 5,205,216,430.55
  5. Step 5: Solve for x
    x = 5,205,216,430.55/80,719.34
  6. Step 6: Final answer
    x = 64,485.37

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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.