Home / 84,376.40-126,564.60-45,010.40

Finding the Fourth Proportional to 84,376.40, 126,564.60 and 45,010.40

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Solution

The fourth proportional to 84,376.40, 126,564.60 and 45,010.40 is: 67,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376.40 : 126,564.60 = 45,010.40 : x
  2. Step 2: Convert to fraction form
    84,376.40/126,564.60 = 45,010.40/x
  3. Step 3: Cross multiply
    84,376.40x = 126,564.60 × 45,010.40
  4. Step 4: Simplify right side
    84,376.40x = 5,696,723,271.84
  5. Step 5: Solve for x
    x = 5,696,723,271.84/84,376.40
  6. Step 6: Final answer
    x = 67,515.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.