Finding the Fourth Proportional to 94,707.04, 130,733.12 and 56,974.08
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Solution
The fourth proportional to 94,707.04, 130,733.12 and 56,974.08 is: 78,646.73
Step by Step Solution
- Step 1: Write the proportion equation
94,707.04 : 130,733.12 = 56,974.08 : x - Step 2: Convert to fraction form
94,707.04/130,733.12 = 56,974.08/x - Step 3: Cross multiply
94,707.04x = 130,733.12 × 56,974.08 - Step 4: Simplify right side
94,707.04x = 7,448,399,237.53 - Step 5: Solve for x
x = 7,448,399,237.53/94,707.04 - Step 6: Final answer
x = 78,646.73
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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.