Finding the Fourth Proportional to 97,973.95, 135,209.39 and 54,967.06
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Solution
The fourth proportional to 97,973.95, 135,209.39 and 54,967.06 is: 75,857.54
Step by Step Solution
- Step 1: Write the proportion equation
97,973.95 : 135,209.39 = 54,967.06 : x - Step 2: Convert to fraction form
97,973.95/135,209.39 = 54,967.06/x - Step 3: Cross multiply
97,973.95x = 135,209.39 × 54,967.06 - Step 4: Simplify right side
97,973.95x = 7,432,062,250.10 - Step 5: Solve for x
x = 7,432,062,250.10/97,973.95 - Step 6: Final answer
x = 75,857.54
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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.