Finding the Fourth Proportional to 84,426.17, 116,457.35 and 55,746.09
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Solution
The fourth proportional to 84,426.17, 116,457.35 and 55,746.09 is: 76,896.09
Step by Step Solution
- Step 1: Write the proportion equation
84,426.17 : 116,457.35 = 55,746.09 : x - Step 2: Convert to fraction form
84,426.17/116,457.35 = 55,746.09/x - Step 3: Cross multiply
84,426.17x = 116,457.35 × 55,746.09 - Step 4: Simplify right side
84,426.17x = 6,492,041,635.53 - Step 5: Solve for x
x = 6,492,041,635.53/84,426.17 - Step 6: Final answer
x = 76,896.09
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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.