Finding the Fourth Proportional to 97,088.09, 133,949.43 and 56,773.28
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Solution
The fourth proportional to 97,088.09, 133,949.43 and 56,773.28 is: 78,328.34
Step by Step Solution
- Step 1: Write the proportion equation
97,088.09 : 133,949.43 = 56,773.28 : x - Step 2: Convert to fraction form
97,088.09/133,949.43 = 56,773.28/x - Step 3: Cross multiply
97,088.09x = 133,949.43 × 56,773.28 - Step 4: Simplify right side
97,088.09x = 7,604,748,830.10 - Step 5: Solve for x
x = 7,604,748,830.10/97,088.09 - Step 6: Final answer
x = 78,328.34
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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.