Home / 74,260.08-102,484.34-42,428.29

Finding the Fourth Proportional to 74,260.08, 102,484.34 and 42,428.29

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Solution

The fourth proportional to 74,260.08, 102,484.34 and 42,428.29 is: 58,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.08 : 102,484.34 = 42,428.29 : x
  2. Step 2: Convert to fraction form
    74,260.08/102,484.34 = 42,428.29/x
  3. Step 3: Cross multiply
    74,260.08x = 102,484.34 × 42,428.29
  4. Step 4: Simplify right side
    74,260.08x = 4,348,235,297.98
  5. Step 5: Solve for x
    x = 4,348,235,297.98/74,260.08
  6. Step 6: Final answer
    x = 58,554.14

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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.