Home / 84,802.52-117,031.92-47,077.40

Finding the Fourth Proportional to 84,802.52, 117,031.92 and 47,077.40

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Solution

The fourth proportional to 84,802.52, 117,031.92 and 47,077.40 is: 64,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.52 : 117,031.92 = 47,077.40 : x
  2. Step 2: Convert to fraction form
    84,802.52/117,031.92 = 47,077.40/x
  3. Step 3: Cross multiply
    84,802.52x = 117,031.92 × 47,077.40
  4. Step 4: Simplify right side
    84,802.52x = 5,509,558,510.61
  5. Step 5: Solve for x
    x = 5,509,558,510.61/84,802.52
  6. Step 6: Final answer
    x = 64,969.28

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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.