Finding the Fourth Proportional to 93,708.16, 129,320.35 and 53,421.19
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Solution
The fourth proportional to 93,708.16, 129,320.35 and 53,421.19 is: 73,723.00
Step by Step Solution
- Step 1: Write the proportion equation
93,708.16 : 129,320.35 = 53,421.19 : x - Step 2: Convert to fraction form
93,708.16/129,320.35 = 53,421.19/x - Step 3: Cross multiply
93,708.16x = 129,320.35 × 53,421.19 - Step 4: Simplify right side
93,708.16x = 6,908,446,531.36 - Step 5: Solve for x
x = 6,908,446,531.36/93,708.16 - Step 6: Final answer
x = 73,723.00
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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.