Finding the Fourth Proportional to 70,885.74, 106,325.07 and 26,509.23
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Solution
The fourth proportional to 70,885.74, 106,325.07 and 26,509.23 is: 39,762.52
Step by Step Solution
- Step 1: Write the proportion equation
70,885.74 : 106,325.07 = 26,509.23 : x - Step 2: Convert to fraction form
70,885.74/106,325.07 = 26,509.23/x - Step 3: Cross multiply
70,885.74x = 106,325.07 × 26,509.23 - Step 4: Simplify right side
70,885.74x = 2,818,595,735.40 - Step 5: Solve for x
x = 2,818,595,735.40/70,885.74 - Step 6: Final answer
x = 39,762.52
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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.