Finding the Fourth Proportional to 93,642.13, 129,226.12 and 51,200.65
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Solution
The fourth proportional to 93,642.13, 129,226.12 and 51,200.65 is: 70,656.89
Step by Step Solution
- Step 1: Write the proportion equation
93,642.13 : 129,226.12 = 51,200.65 : x - Step 2: Convert to fraction form
93,642.13/129,226.12 = 51,200.65/x - Step 3: Cross multiply
93,642.13x = 129,226.12 × 51,200.65 - Step 4: Simplify right side
93,642.13x = 6,616,461,340.98 - Step 5: Solve for x
x = 6,616,461,340.98/93,642.13 - Step 6: Final answer
x = 70,656.89
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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.