Finding the Fourth Proportional to 88,726.70, 122,462.62 and 56,455.08
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Solution
The fourth proportional to 88,726.70, 122,462.62 and 56,455.08 is: 77,920.59
Step by Step Solution
- Step 1: Write the proportion equation
88,726.70 : 122,462.62 = 56,455.08 : x - Step 2: Convert to fraction form
88,726.70/122,462.62 = 56,455.08/x - Step 3: Cross multiply
88,726.70x = 122,462.62 × 56,455.08 - Step 4: Simplify right side
88,726.70x = 6,913,637,009.11 - Step 5: Solve for x
x = 6,913,637,009.11/88,726.70 - Step 6: Final answer
x = 77,920.59
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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.