Finding the Fourth Proportional to 98,848.23, 136,410.62 and 53,526.57
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Solution
The fourth proportional to 98,848.23, 136,410.62 and 53,526.57 is: 73,866.70
Step by Step Solution
- Step 1: Write the proportion equation
98,848.23 : 136,410.62 = 53,526.57 : x - Step 2: Convert to fraction form
98,848.23/136,410.62 = 53,526.57/x - Step 3: Cross multiply
98,848.23x = 136,410.62 × 53,526.57 - Step 4: Simplify right side
98,848.23x = 7,301,592,600.17 - Step 5: Solve for x
x = 7,301,592,600.17/98,848.23 - Step 6: Final answer
x = 73,866.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.