Finding the Fourth Proportional to 97,926.72, 135,089.13 and 63,955.09
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Solution
The fourth proportional to 97,926.72, 135,089.13 and 63,955.09 is: 88,225.54
Step by Step Solution
- Step 1: Write the proportion equation
97,926.72 : 135,089.13 = 63,955.09 : x - Step 2: Convert to fraction form
97,926.72/135,089.13 = 63,955.09/x - Step 3: Cross multiply
97,926.72x = 135,089.13 × 63,955.09 - Step 4: Simplify right side
97,926.72x = 8,639,637,467.17 - Step 5: Solve for x
x = 8,639,637,467.17/97,926.72 - Step 6: Final answer
x = 88,225.54
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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.