Home / 76,372.41-105,394.50-42,381.03

Finding the Fourth Proportional to 76,372.41, 105,394.50 and 42,381.03

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Solution

The fourth proportional to 76,372.41, 105,394.50 and 42,381.03 is: 58,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,372.41 : 105,394.50 = 42,381.03 : x
  2. Step 2: Convert to fraction form
    76,372.41/105,394.50 = 42,381.03/x
  3. Step 3: Cross multiply
    76,372.41x = 105,394.50 × 42,381.03
  4. Step 4: Simplify right side
    76,372.41x = 4,466,727,466.34
  5. Step 5: Solve for x
    x = 4,466,727,466.34/76,372.41
  6. Step 6: Final answer
    x = 58,486.14

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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.