Finding the Fourth Proportional to 101,248.08, 139,719.84 and 55,925.28
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Solution
The fourth proportional to 101,248.08, 139,719.84 and 55,925.28 is: 77,175.50
Step by Step Solution
- Step 1: Write the proportion equation
101,248.08 : 139,719.84 = 55,925.28 : x - Step 2: Convert to fraction form
101,248.08/139,719.84 = 55,925.28/x - Step 3: Cross multiply
101,248.08x = 139,719.84 × 55,925.28 - Step 4: Simplify right side
101,248.08x = 7,813,871,173.56 - Step 5: Solve for x
x = 7,813,871,173.56/101,248.08 - Step 6: Final answer
x = 77,175.50
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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.