Finding the Fourth Proportional to 98,831.13, 148,248.52 and 35,655.99
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Solution
The fourth proportional to 98,831.13, 148,248.52 and 35,655.99 is: 53,484.65
Step by Step Solution
- Step 1: Write the proportion equation
98,831.13 : 148,248.52 = 35,655.99 : x - Step 2: Convert to fraction form
98,831.13/148,248.52 = 35,655.99/x - Step 3: Cross multiply
98,831.13x = 148,248.52 × 35,655.99 - Step 4: Simplify right side
98,831.13x = 5,285,948,035.74 - Step 5: Solve for x
x = 5,285,948,035.74/98,831.13 - Step 6: Final answer
x = 53,484.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.