Finding the Fourth Proportional to 84,056.84, 116,009.52 and 53,847.08
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Solution
The fourth proportional to 84,056.84, 116,009.52 and 53,847.08 is: 74,316.07
Step by Step Solution
- Step 1: Write the proportion equation
84,056.84 : 116,009.52 = 53,847.08 : x - Step 2: Convert to fraction form
84,056.84/116,009.52 = 53,847.08/x - Step 3: Cross multiply
84,056.84x = 116,009.52 × 53,847.08 - Step 4: Simplify right side
84,056.84x = 6,246,773,904.20 - Step 5: Solve for x
x = 6,246,773,904.20/84,056.84 - Step 6: Final answer
x = 74,316.07
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1.5x scale
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.