Finding the Fourth Proportional to 88,303.08, 121,869.28 and 50,577.32
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Solution
The fourth proportional to 88,303.08, 121,869.28 and 50,577.32 is: 69,803.02
Step by Step Solution
- Step 1: Write the proportion equation
88,303.08 : 121,869.28 = 50,577.32 : x - Step 2: Convert to fraction form
88,303.08/121,869.28 = 50,577.32/x - Step 3: Cross multiply
88,303.08x = 121,869.28 × 50,577.32 - Step 4: Simplify right side
88,303.08x = 6,163,821,572.73 - Step 5: Solve for x
x = 6,163,821,572.73/88,303.08 - Step 6: Final answer
x = 69,803.02
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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.