Finding the Fourth Proportional to 97,898.18, 135,106.17 and 55,457.06
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Solution
The fourth proportional to 97,898.18, 135,106.17 and 55,457.06 is: 76,534.53
Step by Step Solution
- Step 1: Write the proportion equation
97,898.18 : 135,106.17 = 55,457.06 : x - Step 2: Convert to fraction form
97,898.18/135,106.17 = 55,457.06/x - Step 3: Cross multiply
97,898.18x = 135,106.17 × 55,457.06 - Step 4: Simplify right side
97,898.18x = 7,492,590,976.06 - Step 5: Solve for x
x = 7,492,590,976.06/97,898.18 - Step 6: Final answer
x = 76,534.53
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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.