Finding the Fourth Proportional to 124,557.08, 171,887.84 and 70,842.02
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Solution
The fourth proportional to 124,557.08, 171,887.84 and 70,842.02 is: 97,761.46
Step by Step Solution
- Step 1: Write the proportion equation
124,557.08 : 171,887.84 = 70,842.02 : x - Step 2: Convert to fraction form
124,557.08/171,887.84 = 70,842.02/x - Step 3: Cross multiply
124,557.08x = 171,887.84 × 70,842.02 - Step 4: Simplify right side
124,557.08x = 12,176,881,799.04 - Step 5: Solve for x
x = 12,176,881,799.04/124,557.08 - Step 6: Final answer
x = 97,761.46
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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.