Finding the Fourth Proportional to 88,275.70, 121,848.36 and 56,444.74
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Solution
The fourth proportional to 88,275.70, 121,848.36 and 56,444.74 is: 77,911.58
Step by Step Solution
- Step 1: Write the proportion equation
88,275.70 : 121,848.36 = 56,444.74 : x - Step 2: Convert to fraction form
88,275.70/121,848.36 = 56,444.74/x - Step 3: Cross multiply
88,275.70x = 121,848.36 × 56,444.74 - Step 4: Simplify right side
88,275.70x = 6,877,698,999.63 - Step 5: Solve for x
x = 6,877,698,999.63/88,275.70 - Step 6: Final answer
x = 77,911.58
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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.