Finding the Fourth Proportional to 75,962.84, 113,973.44 and 53,495.08
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Solution
The fourth proportional to 75,962.84, 113,973.44 and 53,495.08 is: 80,263.17
Step by Step Solution
- Step 1: Write the proportion equation
75,962.84 : 113,973.44 = 53,495.08 : x - Step 2: Convert to fraction form
75,962.84/113,973.44 = 53,495.08/x - Step 3: Cross multiply
75,962.84x = 113,973.44 × 53,495.08 - Step 4: Simplify right side
75,962.84x = 6,097,018,290.68 - Step 5: Solve for x
x = 6,097,018,290.68/75,962.84 - Step 6: Final answer
x = 80,263.17
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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.