Home / 70,072.40-105,087.36-25,702.76

Finding the Fourth Proportional to 70,072.40, 105,087.36 and 25,702.76

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Solution

The fourth proportional to 70,072.40, 105,087.36 and 25,702.76 is: 38,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.40 : 105,087.36 = 25,702.76 : x
  2. Step 2: Convert to fraction form
    70,072.40/105,087.36 = 25,702.76/x
  3. Step 3: Cross multiply
    70,072.40x = 105,087.36 × 25,702.76
  4. Step 4: Simplify right side
    70,072.40x = 2,701,035,193.11
  5. Step 5: Solve for x
    x = 2,701,035,193.11/70,072.40
  6. Step 6: Final answer
    x = 38,546.35

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1.5x scale

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.