Home / 80,443.56-111,011.40-46,459.20

Finding the Fourth Proportional to 80,443.56, 111,011.40 and 46,459.20

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Solution

The fourth proportional to 80,443.56, 111,011.40 and 46,459.20 is: 64,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443.56 : 111,011.40 = 46,459.20 : x
  2. Step 2: Convert to fraction form
    80,443.56/111,011.40 = 46,459.20/x
  3. Step 3: Cross multiply
    80,443.56x = 111,011.40 × 46,459.20
  4. Step 4: Simplify right side
    80,443.56x = 5,157,500,834.88
  5. Step 5: Solve for x
    x = 5,157,500,834.88/80,443.56
  6. Step 6: Final answer
    x = 64,113.28

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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.