Home / 74,534.28-111,375.60-56,666.76

Finding the Fourth Proportional to 74,534.28, 111,375.60 and 56,666.76

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Solution

The fourth proportional to 74,534.28, 111,375.60 and 56,666.76 is: 84,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.28 : 111,375.60 = 56,666.76 : x
  2. Step 2: Convert to fraction form
    74,534.28/111,375.60 = 56,666.76/x
  3. Step 3: Cross multiply
    74,534.28x = 111,375.60 × 56,666.76
  4. Step 4: Simplify right side
    74,534.28x = 6,311,294,395.06
  5. Step 5: Solve for x
    x = 6,311,294,395.06/74,534.28
  6. Step 6: Final answer
    x = 84,676.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.