Home / 114,064.20-157,447.80-66,332.52

Finding the Fourth Proportional to 114,064.20, 157,447.80 and 66,332.52

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Solution

The fourth proportional to 114,064.20, 157,447.80 and 66,332.52 is: 91,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,064.20 : 157,447.80 = 66,332.52 : x
  2. Step 2: Convert to fraction form
    114,064.20/157,447.80 = 66,332.52/x
  3. Step 3: Cross multiply
    114,064.20x = 157,447.80 × 66,332.52
  4. Step 4: Simplify right side
    114,064.20x = 10,443,909,342.46
  5. Step 5: Solve for x
    x = 10,443,909,342.46/114,064.20
  6. Step 6: Final answer
    x = 91,561.68

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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.