Home / 74,352.63-102,603.11-42,088.71

Finding the Fourth Proportional to 74,352.63, 102,603.11 and 42,088.71

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Solution

The fourth proportional to 74,352.63, 102,603.11 and 42,088.71 is: 58,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352.63 : 102,603.11 = 42,088.71 : x
  2. Step 2: Convert to fraction form
    74,352.63/102,603.11 = 42,088.71/x
  3. Step 3: Cross multiply
    74,352.63x = 102,603.11 × 42,088.71
  4. Step 4: Simplify right side
    74,352.63x = 4,318,432,331.44
  5. Step 5: Solve for x
    x = 4,318,432,331.44/74,352.63
  6. Step 6: Final answer
    x = 58,080.42

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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.