Finding the Fourth Proportional to 88,417.84, 132,626.76 and 72,802.66
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Solution
The fourth proportional to 88,417.84, 132,626.76 and 72,802.66 is: 109,203.99
Step by Step Solution
- Step 1: Write the proportion equation
88,417.84 : 132,626.76 = 72,802.66 : x - Step 2: Convert to fraction form
88,417.84/132,626.76 = 72,802.66/x - Step 3: Cross multiply
88,417.84x = 132,626.76 × 72,802.66 - Step 4: Simplify right side
88,417.84x = 9,655,580,915.18 - Step 5: Solve for x
x = 9,655,580,915.18/88,417.84 - Step 6: Final answer
x = 109,203.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.