Home / 53,482.15-73,802.55-29,278.47

Finding the Fourth Proportional to 53,482.15, 73,802.55 and 29,278.47

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Solution

The fourth proportional to 53,482.15, 73,802.55 and 29,278.47 is: 40,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,482.15 : 73,802.55 = 29,278.47 : x
  2. Step 2: Convert to fraction form
    53,482.15/73,802.55 = 29,278.47/x
  3. Step 3: Cross multiply
    53,482.15x = 73,802.55 × 29,278.47
  4. Step 4: Simplify right side
    53,482.15x = 2,160,826,059.46
  5. Step 5: Solve for x
    x = 2,160,826,059.46/53,482.15
  6. Step 6: Final answer
    x = 40,402.75

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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.