Finding the Fourth Proportional to 61,347.36, 92,137.68 and 38,136
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Solution
The fourth proportional to 61,347.36, 92,137.68 and 38,136 is: 57,276.51
Step by Step Solution
- Step 1: Write the proportion equation
61,347.36 : 92,137.68 = 38,136 : x - Step 2: Convert to fraction form
61,347.36/92,137.68 = 38,136/x - Step 3: Cross multiply
61,347.36x = 92,137.68 × 38,136 - Step 4: Simplify right side
61,347.36x = 3,513,762,564.48 - Step 5: Solve for x
x = 3,513,762,564.48/61,347.36 - Step 6: Final answer
x = 57,276.51
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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.