Finding the Fourth Proportional to 69,130.23, 103,750.73 and 31,707.95
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Solution
The fourth proportional to 69,130.23, 103,750.73 and 31,707.95 is: 47,587.32
Step by Step Solution
- Step 1: Write the proportion equation
69,130.23 : 103,750.73 = 31,707.95 : x - Step 2: Convert to fraction form
69,130.23/103,750.73 = 31,707.95/x - Step 3: Cross multiply
69,130.23x = 103,750.73 × 31,707.95 - Step 4: Simplify right side
69,130.23x = 3,289,722,282.01 - Step 5: Solve for x
x = 3,289,722,282.01/69,130.23 - Step 6: Final answer
x = 47,587.32
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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.