Finding the Fourth Proportional to 97,873.51, 135,059.05 and 57,579.49
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Solution
The fourth proportional to 97,873.51, 135,059.05 and 57,579.49 is: 79,455.93
Step by Step Solution
- Step 1: Write the proportion equation
97,873.51 : 135,059.05 = 57,579.49 : x - Step 2: Convert to fraction form
97,873.51/135,059.05 = 57,579.49/x - Step 3: Cross multiply
97,873.51x = 135,059.05 × 57,579.49 - Step 4: Simplify right side
97,873.51x = 7,776,630,881.24 - Step 5: Solve for x
x = 7,776,630,881.24/97,873.51 - Step 6: Final answer
x = 79,455.93
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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.