Home / 74,821.76-103,263.60-42,996.86

Finding the Fourth Proportional to 74,821.76, 103,263.60 and 42,996.86

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Solution

The fourth proportional to 74,821.76, 103,263.60 and 42,996.86 is: 59,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.76 : 103,263.60 = 42,996.86 : x
  2. Step 2: Convert to fraction form
    74,821.76/103,263.60 = 42,996.86/x
  3. Step 3: Cross multiply
    74,821.76x = 103,263.60 × 42,996.86
  4. Step 4: Simplify right side
    74,821.76x = 4,440,010,552.30
  5. Step 5: Solve for x
    x = 4,440,010,552.30/74,821.76
  6. Step 6: Final answer
    x = 59,341.17

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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.