Home / 114,079.05-157,404.47-66,307.95

Finding the Fourth Proportional to 114,079.05, 157,404.47 and 66,307.95

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Solution

The fourth proportional to 114,079.05, 157,404.47 and 66,307.95 is: 91,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,079.05 : 157,404.47 = 66,307.95 : x
  2. Step 2: Convert to fraction form
    114,079.05/157,404.47 = 66,307.95/x
  3. Step 3: Cross multiply
    114,079.05x = 157,404.47 × 66,307.95
  4. Step 4: Simplify right side
    114,079.05x = 10,437,167,395.00
  5. Step 5: Solve for x
    x = 10,437,167,395.00/114,079.05
  6. Step 6: Final answer
    x = 91,490.66

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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.