Finding the Fourth Proportional to 124,303.57, 171,526.06 and 69,847.09
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Solution
The fourth proportional to 124,303.57, 171,526.06 and 69,847.09 is: 96,381.75
Step by Step Solution
- Step 1: Write the proportion equation
124,303.57 : 171,526.06 = 69,847.09 : x - Step 2: Convert to fraction form
124,303.57/171,526.06 = 69,847.09/x - Step 3: Cross multiply
124,303.57x = 171,526.06 × 69,847.09 - Step 4: Simplify right side
124,303.57x = 11,980,596,150.17 - Step 5: Solve for x
x = 11,980,596,150.17/124,303.57 - Step 6: Final answer
x = 96,381.75
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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.