Finding the Fourth Proportional to 98,955.77, 136,508.76 and 62,595.95
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Solution
The fourth proportional to 98,955.77, 136,508.76 and 62,595.95 is: 86,350.65
Step by Step Solution
- Step 1: Write the proportion equation
98,955.77 : 136,508.76 = 62,595.95 : x - Step 2: Convert to fraction form
98,955.77/136,508.76 = 62,595.95/x - Step 3: Cross multiply
98,955.77x = 136,508.76 × 62,595.95 - Step 4: Simplify right side
98,955.77x = 8,544,894,832.98 - Step 5: Solve for x
x = 8,544,894,832.98/98,955.77 - Step 6: Final answer
x = 86,350.65
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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.