Finding the Fourth Proportional to 98,547.99, 135,996.36 and 56,106.52
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Solution
The fourth proportional to 98,547.99, 135,996.36 and 56,106.52 is: 77,427.07
Step by Step Solution
- Step 1: Write the proportion equation
98,547.99 : 135,996.36 = 56,106.52 : x - Step 2: Convert to fraction form
98,547.99/135,996.36 = 56,106.52/x - Step 3: Cross multiply
98,547.99x = 135,996.36 × 56,106.52 - Step 4: Simplify right side
98,547.99x = 7,630,281,941.88 - Step 5: Solve for x
x = 7,630,281,941.88/98,547.99 - Step 6: Final answer
x = 77,427.07
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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.