Home / 74,435.95-102,726.21-42,604.12

Finding the Fourth Proportional to 74,435.95, 102,726.21 and 42,604.12

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Solution

The fourth proportional to 74,435.95, 102,726.21 and 42,604.12 is: 58,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.95 : 102,726.21 = 42,604.12 : x
  2. Step 2: Convert to fraction form
    74,435.95/102,726.21 = 42,604.12/x
  3. Step 3: Cross multiply
    74,435.95x = 102,726.21 × 42,604.12
  4. Step 4: Simplify right side
    74,435.95x = 4,376,559,826.51
  5. Step 5: Solve for x
    x = 4,376,559,826.51/74,435.95
  6. Step 6: Final answer
    x = 58,796.32

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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.