Finding the Fourth Proportional to 124,533.92, 171,860.73 and 70,815.53
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Solution
The fourth proportional to 124,533.92, 171,860.73 and 70,815.53 is: 97,727.66
Step by Step Solution
- Step 1: Write the proportion equation
124,533.92 : 171,860.73 = 70,815.53 : x - Step 2: Convert to fraction form
124,533.92/171,860.73 = 70,815.53/x - Step 3: Cross multiply
124,533.92x = 171,860.73 × 70,815.53 - Step 4: Simplify right side
124,533.92x = 12,170,408,681.14 - Step 5: Solve for x
x = 12,170,408,681.14/124,533.92 - Step 6: Final answer
x = 97,727.66
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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.