Finding the Fourth Proportional to 97,345.98, 134,312.06 and 57,038.09
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Solution
The fourth proportional to 97,345.98, 134,312.06 and 57,038.09 is: 78,697.69
Step by Step Solution
- Step 1: Write the proportion equation
97,345.98 : 134,312.06 = 57,038.09 : x - Step 2: Convert to fraction form
97,345.98/134,312.06 = 57,038.09/x - Step 3: Cross multiply
97,345.98x = 134,312.06 × 57,038.09 - Step 4: Simplify right side
97,345.98x = 7,660,903,366.37 - Step 5: Solve for x
x = 7,660,903,366.37/97,345.98 - Step 6: Final answer
x = 78,697.69
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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.