Finding the Fourth Proportional to 97,710.14, 134,831.76 and 57,425.60
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Solution
The fourth proportional to 97,710.14, 134,831.76 and 57,425.60 is: 79,242.49
Step by Step Solution
- Step 1: Write the proportion equation
97,710.14 : 134,831.76 = 57,425.60 : x - Step 2: Convert to fraction form
97,710.14/134,831.76 = 57,425.60/x - Step 3: Cross multiply
97,710.14x = 134,831.76 × 57,425.60 - Step 4: Simplify right side
97,710.14x = 7,742,794,717.06 - Step 5: Solve for x
x = 7,742,794,717.06/97,710.14 - Step 6: Final answer
x = 79,242.49
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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.