Finding the Fourth Proportional to 124,575.84, 171,913.89 and 70,860.99
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Solution
The fourth proportional to 124,575.84, 171,913.89 and 70,860.99 is: 97,787.73
Step by Step Solution
- Step 1: Write the proportion equation
124,575.84 : 171,913.89 = 70,860.99 : x - Step 2: Convert to fraction form
124,575.84/171,913.89 = 70,860.99/x - Step 3: Cross multiply
124,575.84x = 171,913.89 × 70,860.99 - Step 4: Simplify right side
124,575.84x = 12,181,988,440.15 - Step 5: Solve for x
x = 12,181,988,440.15/124,575.84 - Step 6: Final answer
x = 97,787.73
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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.