Finding the Fourth Proportional to 77,295.61, 106,666.64 and 43,303.99
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Solution
The fourth proportional to 77,295.61, 106,666.64 and 43,303.99 is: 59,758.78
Step by Step Solution
- Step 1: Write the proportion equation
77,295.61 : 106,666.64 = 43,303.99 : x - Step 2: Convert to fraction form
77,295.61/106,666.64 = 43,303.99/x - Step 3: Cross multiply
77,295.61x = 106,666.64 × 43,303.99 - Step 4: Simplify right side
77,295.61x = 4,619,091,111.89 - Step 5: Solve for x
x = 4,619,091,111.89/77,295.61 - Step 6: Final answer
x = 59,758.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.