Finding the Fourth Proportional to 97,221.94, 134,166.31 and 54,781.99
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Solution
The fourth proportional to 97,221.94, 134,166.31 and 54,781.99 is: 75,599.16
Step by Step Solution
- Step 1: Write the proportion equation
97,221.94 : 134,166.31 = 54,781.99 : x - Step 2: Convert to fraction form
97,221.94/134,166.31 = 54,781.99/x - Step 3: Cross multiply
97,221.94x = 134,166.31 × 54,781.99 - Step 4: Simplify right side
97,221.94x = 7,349,896,980.39 - Step 5: Solve for x
x = 7,349,896,980.39/97,221.94 - Step 6: Final answer
x = 75,599.16
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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.