Finding the Fourth Proportional to 93,574.18, 129,132.69 and 51,132.71
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Solution
The fourth proportional to 93,574.18, 129,132.69 and 51,132.71 is: 70,563.32
Step by Step Solution
- Step 1: Write the proportion equation
93,574.18 : 129,132.69 = 51,132.71 : x - Step 2: Convert to fraction form
93,574.18/129,132.69 = 51,132.71/x - Step 3: Cross multiply
93,574.18x = 129,132.69 × 51,132.71 - Step 4: Simplify right side
93,574.18x = 6,602,904,389.29 - Step 5: Solve for x
x = 6,602,904,389.29/93,574.18 - Step 6: Final answer
x = 70,563.32
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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.