Home / 74,104.29-102,254.31-42,271.29

Finding the Fourth Proportional to 74,104.29, 102,254.31 and 42,271.29

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Solution

The fourth proportional to 74,104.29, 102,254.31 and 42,271.29 is: 58,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.29 : 102,254.31 = 42,271.29 : x
  2. Step 2: Convert to fraction form
    74,104.29/102,254.31 = 42,271.29/x
  3. Step 3: Cross multiply
    74,104.29x = 102,254.31 × 42,271.29
  4. Step 4: Simplify right side
    74,104.29x = 4,322,421,591.76
  5. Step 5: Solve for x
    x = 4,322,421,591.76/74,104.29
  6. Step 6: Final answer
    x = 58,328.90

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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.