Home / 52,264.40-72,106.04-31,043.20

Finding the Fourth Proportional to 52,264.40, 72,106.04 and 31,043.20

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Solution

The fourth proportional to 52,264.40, 72,106.04 and 31,043.20 is: 42,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,264.40 : 72,106.04 = 31,043.20 : x
  2. Step 2: Convert to fraction form
    52,264.40/72,106.04 = 31,043.20/x
  3. Step 3: Cross multiply
    52,264.40x = 72,106.04 × 31,043.20
  4. Step 4: Simplify right side
    52,264.40x = 2,238,402,220.93
  5. Step 5: Solve for x
    x = 2,238,402,220.93/52,264.40
  6. Step 6: Final answer
    x = 42,828.43

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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.