Finding the Fourth Proportional to 124,560.40, 171,897.12 and 70,853.08
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Solution
The fourth proportional to 124,560.40, 171,897.12 and 70,853.08 is: 97,779.39
Step by Step Solution
- Step 1: Write the proportion equation
124,560.40 : 171,897.12 = 70,853.08 : x - Step 2: Convert to fraction form
124,560.40/171,897.12 = 70,853.08/x - Step 3: Cross multiply
124,560.40x = 171,897.12 × 70,853.08 - Step 4: Simplify right side
124,560.40x = 12,179,440,395.13 - Step 5: Solve for x
x = 12,179,440,395.13/124,560.40 - Step 6: Final answer
x = 97,779.39
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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.