Finding the Fourth Proportional to 97,551.84, 134,572.08 and 61,681.44
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Solution
The fourth proportional to 97,551.84, 134,572.08 and 61,681.44 is: 85,089.11
Step by Step Solution
- Step 1: Write the proportion equation
97,551.84 : 134,572.08 = 61,681.44 : x - Step 2: Convert to fraction form
97,551.84/134,572.08 = 61,681.44/x - Step 3: Cross multiply
97,551.84x = 134,572.08 × 61,681.44 - Step 4: Simplify right side
97,551.84x = 8,300,599,678.20 - Step 5: Solve for x
x = 8,300,599,678.20/97,551.84 - Step 6: Final answer
x = 85,089.11
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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.