Finding the Fourth Proportional to 93,686.55, 129,251.12 and 59,688.95
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Solution
The fourth proportional to 93,686.55, 129,251.12 and 59,688.95 is: 82,347.61
Step by Step Solution
- Step 1: Write the proportion equation
93,686.55 : 129,251.12 = 59,688.95 : x - Step 2: Convert to fraction form
93,686.55/129,251.12 = 59,688.95/x - Step 3: Cross multiply
93,686.55x = 129,251.12 × 59,688.95 - Step 4: Simplify right side
93,686.55x = 7,714,863,465.22 - Step 5: Solve for x
x = 7,714,863,465.22/93,686.55 - Step 6: Final answer
x = 82,347.61
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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.