Finding the Fourth Proportional to 69,681.66, 104,656.95 and 59,708.94
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Solution
The fourth proportional to 69,681.66, 104,656.95 and 59,708.94 is: 89,678.63
Step by Step Solution
- Step 1: Write the proportion equation
69,681.66 : 104,656.95 = 59,708.94 : x - Step 2: Convert to fraction form
69,681.66/104,656.95 = 59,708.94/x - Step 3: Cross multiply
69,681.66x = 104,656.95 × 59,708.94 - Step 4: Simplify right side
69,681.66x = 6,248,955,548.13 - Step 5: Solve for x
x = 6,248,955,548.13/69,681.66 - Step 6: Final answer
x = 89,678.63
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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.