Finding the Fourth Proportional to 93,264.81, 128,673.81 and 56,952.99
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Solution
The fourth proportional to 93,264.81, 128,673.81 and 56,952.99 is: 78,575.81
Step by Step Solution
- Step 1: Write the proportion equation
93,264.81 : 128,673.81 = 56,952.99 : x - Step 2: Convert to fraction form
93,264.81/128,673.81 = 56,952.99/x - Step 3: Cross multiply
93,264.81x = 128,673.81 × 56,952.99 - Step 4: Simplify right side
93,264.81x = 7,328,358,214.19 - Step 5: Solve for x
x = 7,328,358,214.19/93,264.81 - Step 6: Final answer
x = 78,575.81
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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.