Finding the Fourth Proportional to 97,159.23, 134,074.98 and 54,119.07
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Solution
The fourth proportional to 97,159.23, 134,074.98 and 54,119.07 is: 74,681.67
Step by Step Solution
- Step 1: Write the proportion equation
97,159.23 : 134,074.98 = 54,119.07 : x - Step 2: Convert to fraction form
97,159.23/134,074.98 = 54,119.07/x - Step 3: Cross multiply
97,159.23x = 134,074.98 × 54,119.07 - Step 4: Simplify right side
97,159.23x = 7,256,013,227.87 - Step 5: Solve for x
x = 7,256,013,227.87/97,159.23 - Step 6: Final answer
x = 74,681.67
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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.