Finding the Fourth Proportional to 124,555.08, 171,885.08 and 70,840.02
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Solution
The fourth proportional to 124,555.08, 171,885.08 and 70,840.02 is: 97,758.70
Step by Step Solution
- Step 1: Write the proportion equation
124,555.08 : 171,885.08 = 70,840.02 : x - Step 2: Convert to fraction form
124,555.08/171,885.08 = 70,840.02/x - Step 3: Cross multiply
124,555.08x = 171,885.08 × 70,840.02 - Step 4: Simplify right side
124,555.08x = 12,176,342,504.90 - Step 5: Solve for x
x = 12,176,342,504.90/124,555.08 - Step 6: Final answer
x = 97,758.70
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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.