Finding the Fourth Proportional to 69,070.24, 103,605.01 and 59,681.53
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Solution
The fourth proportional to 69,070.24, 103,605.01 and 59,681.53 is: 89,521.99
Step by Step Solution
- Step 1: Write the proportion equation
69,070.24 : 103,605.01 = 59,681.53 : x - Step 2: Convert to fraction form
69,070.24/103,605.01 = 59,681.53/x - Step 3: Cross multiply
69,070.24x = 103,605.01 × 59,681.53 - Step 4: Simplify right side
69,070.24x = 6,183,305,512.47 - Step 5: Solve for x
x = 6,183,305,512.47/69,070.24 - Step 6: Final answer
x = 89,521.99
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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.