Home / 74,503.98-102,790.33-42,235.14

Finding the Fourth Proportional to 74,503.98, 102,790.33 and 42,235.14

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Solution

The fourth proportional to 74,503.98, 102,790.33 and 42,235.14 is: 58,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,503.98 : 102,790.33 = 42,235.14 : x
  2. Step 2: Convert to fraction form
    74,503.98/102,790.33 = 42,235.14/x
  3. Step 3: Cross multiply
    74,503.98x = 102,790.33 × 42,235.14
  4. Step 4: Simplify right side
    74,503.98x = 4,341,363,798.66
  5. Step 5: Solve for x
    x = 4,341,363,798.66/74,503.98
  6. Step 6: Final answer
    x = 58,270.23

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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.