Finding the Fourth Proportional to 93,831.99, 129,455.97 and 53,516.76
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Solution
The fourth proportional to 93,831.99, 129,455.97 and 53,516.76 is: 73,834.78
Step by Step Solution
- Step 1: Write the proportion equation
93,831.99 : 129,455.97 = 53,516.76 : x - Step 2: Convert to fraction form
93,831.99/129,455.97 = 53,516.76/x - Step 3: Cross multiply
93,831.99x = 129,455.97 × 53,516.76 - Step 4: Simplify right side
93,831.99x = 6,928,064,077.06 - Step 5: Solve for x
x = 6,928,064,077.06/93,831.99 - Step 6: Final answer
x = 73,834.78
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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.