Home / 74,522.81-102,840.99-42,263.57

Finding the Fourth Proportional to 74,522.81, 102,840.99 and 42,263.57

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Solution

The fourth proportional to 74,522.81, 102,840.99 and 42,263.57 is: 58,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.81 : 102,840.99 = 42,263.57 : x
  2. Step 2: Convert to fraction form
    74,522.81/102,840.99 = 42,263.57/x
  3. Step 3: Cross multiply
    74,522.81x = 102,840.99 × 42,263.57
  4. Step 4: Simplify right side
    74,522.81x = 4,346,427,379.73
  5. Step 5: Solve for x
    x = 4,346,427,379.73/74,522.81
  6. Step 6: Final answer
    x = 58,323.45

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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.