Home / 114,071.48-157,415.91-66,341.42

Finding the Fourth Proportional to 114,071.48, 157,415.91 and 66,341.42

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Solution

The fourth proportional to 114,071.48, 157,415.91 and 66,341.42 is: 91,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,071.48 : 157,415.91 = 66,341.42 : x
  2. Step 2: Convert to fraction form
    114,071.48/157,415.91 = 66,341.42/x
  3. Step 3: Cross multiply
    114,071.48x = 157,415.91 × 66,341.42
  4. Step 4: Simplify right side
    114,071.48x = 10,443,194,999.99
  5. Step 5: Solve for x
    x = 10,443,194,999.99/114,071.48
  6. Step 6: Final answer
    x = 91,549.57

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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.