Finding the Fourth Proportional to 93,283.81, 128,752.45 and 59,285.68
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Solution
The fourth proportional to 93,283.81, 128,752.45 and 59,285.68 is: 81,827.45
Step by Step Solution
- Step 1: Write the proportion equation
93,283.81 : 128,752.45 = 59,285.68 : x - Step 2: Convert to fraction form
93,283.81/128,752.45 = 59,285.68/x - Step 3: Cross multiply
93,283.81x = 128,752.45 × 59,285.68 - Step 4: Simplify right side
93,283.81x = 7,633,176,079.82 - Step 5: Solve for x
x = 7,633,176,079.82/93,283.81 - Step 6: Final answer
x = 81,827.45
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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.