Finding the Fourth Proportional to 97,248.06, 134,235.56 and 56,974.66
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Solution
The fourth proportional to 97,248.06, 134,235.56 and 56,974.66 is: 78,644.50
Step by Step Solution
- Step 1: Write the proportion equation
97,248.06 : 134,235.56 = 56,974.66 : x - Step 2: Convert to fraction form
97,248.06/134,235.56 = 56,974.66/x - Step 3: Cross multiply
97,248.06x = 134,235.56 × 56,974.66 - Step 4: Simplify right side
97,248.06x = 7,648,025,197.76 - Step 5: Solve for x
x = 7,648,025,197.76/97,248.06 - Step 6: Final answer
x = 78,644.50
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1.5x scale
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.