Finding the Fourth Proportional to 96,541.47, 133,221.74 and 56,261.79
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Solution
The fourth proportional to 96,541.47, 133,221.74 and 56,261.79 is: 77,638.07
Step by Step Solution
- Step 1: Write the proportion equation
96,541.47 : 133,221.74 = 56,261.79 : x - Step 2: Convert to fraction form
96,541.47/133,221.74 = 56,261.79/x - Step 3: Cross multiply
96,541.47x = 133,221.74 × 56,261.79 - Step 4: Simplify right side
96,541.47x = 7,495,293,278.01 - Step 5: Solve for x
x = 7,495,293,278.01/96,541.47 - Step 6: Final answer
x = 77,638.07
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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.