Finding the Fourth Proportional to 83,848.95, 115,652.93 and 56,944.71
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Solution
The fourth proportional to 83,848.95, 115,652.93 and 56,944.71 is: 78,543.88
Step by Step Solution
- Step 1: Write the proportion equation
83,848.95 : 115,652.93 = 56,944.71 : x - Step 2: Convert to fraction form
83,848.95/115,652.93 = 56,944.71/x - Step 3: Cross multiply
83,848.95x = 115,652.93 × 56,944.71 - Step 4: Simplify right side
83,848.95x = 6,585,822,274.78 - Step 5: Solve for x
x = 6,585,822,274.78/83,848.95 - Step 6: Final answer
x = 78,543.88
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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.