Home / 74,647.40-103,011.63-42,814.27

Finding the Fourth Proportional to 74,647.40, 103,011.63 and 42,814.27

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Solution

The fourth proportional to 74,647.40, 103,011.63 and 42,814.27 is: 59,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,647.40 : 103,011.63 = 42,814.27 : x
  2. Step 2: Convert to fraction form
    74,647.40/103,011.63 = 42,814.27/x
  3. Step 3: Cross multiply
    74,647.40x = 103,011.63 × 42,814.27
  4. Step 4: Simplify right side
    74,647.40x = 4,410,367,224.90
  5. Step 5: Solve for x
    x = 4,410,367,224.90/74,647.40
  6. Step 6: Final answer
    x = 59,082.66

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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.