Finding the Fourth Proportional to 77,963.13, 107,598.35 and 46,132.03
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Solution
The fourth proportional to 77,963.13, 107,598.35 and 46,132.03 is: 63,667.66
Step by Step Solution
- Step 1: Write the proportion equation
77,963.13 : 107,598.35 = 46,132.03 : x - Step 2: Convert to fraction form
77,963.13/107,598.35 = 46,132.03/x - Step 3: Cross multiply
77,963.13x = 107,598.35 × 46,132.03 - Step 4: Simplify right side
77,963.13x = 4,963,730,430.23 - Step 5: Solve for x
x = 4,963,730,430.23/77,963.13 - Step 6: Final answer
x = 63,667.66
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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.