Finding the Fourth Proportional to 97,345.91, 134,311.88 and 57,038.06
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Solution
The fourth proportional to 97,345.91, 134,311.88 and 57,038.06 is: 78,697.59
Step by Step Solution
- Step 1: Write the proportion equation
97,345.91 : 134,311.88 = 57,038.06 : x - Step 2: Convert to fraction form
97,345.91/134,311.88 = 57,038.06/x - Step 3: Cross multiply
97,345.91x = 134,311.88 × 57,038.06 - Step 4: Simplify right side
97,345.91x = 7,660,888,541.19 - Step 5: Solve for x
x = 7,660,888,541.19/97,345.91 - Step 6: Final answer
x = 78,697.59
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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.