Home / 74,024.60-111,123.30-42,459.80

Finding the Fourth Proportional to 74,024.60, 111,123.30 and 42,459.80

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Solution

The fourth proportional to 74,024.60, 111,123.30 and 42,459.80 is: 63,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.60 : 111,123.30 = 42,459.80 : x
  2. Step 2: Convert to fraction form
    74,024.60/111,123.30 = 42,459.80/x
  3. Step 3: Cross multiply
    74,024.60x = 111,123.30 × 42,459.80
  4. Step 4: Simplify right side
    74,024.60x = 4,718,273,093.34
  5. Step 5: Solve for x
    x = 4,718,273,093.34/74,024.60
  6. Step 6: Final answer
    x = 63,739.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.