Finding the Fourth Proportional to 93,718.99, 129,335.61 and 53,426.23
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Solution
The fourth proportional to 93,718.99, 129,335.61 and 53,426.23 is: 73,730.14
Step by Step Solution
- Step 1: Write the proportion equation
93,718.99 : 129,335.61 = 53,426.23 : x - Step 2: Convert to fraction form
93,718.99/129,335.61 = 53,426.23/x - Step 3: Cross multiply
93,718.99x = 129,335.61 × 53,426.23 - Step 4: Simplify right side
93,718.99x = 6,909,914,047.05 - Step 5: Solve for x
x = 6,909,914,047.05/93,718.99 - Step 6: Final answer
x = 73,730.14
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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.