Home / 94,721.74-130,715.36-52,280.28

Finding the Fourth Proportional to 94,721.74, 130,715.36 and 52,280.28

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Solution

The fourth proportional to 94,721.74, 130,715.36 and 52,280.28 is: 72,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.74 : 130,715.36 = 52,280.28 : x
  2. Step 2: Convert to fraction form
    94,721.74/130,715.36 = 52,280.28/x
  3. Step 3: Cross multiply
    94,721.74x = 130,715.36 × 52,280.28
  4. Step 4: Simplify right side
    94,721.74x = 6,833,835,621.10
  5. Step 5: Solve for x
    x = 6,833,835,621.10/94,721.74
  6. Step 6: Final answer
    x = 72,146.43

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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.