Home / 53,178.17-73,386.35-29,305.70

Finding the Fourth Proportional to 53,178.17, 73,386.35 and 29,305.70

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Solution

The fourth proportional to 53,178.17, 73,386.35 and 29,305.70 is: 40,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.17 : 73,386.35 = 29,305.70 : x
  2. Step 2: Convert to fraction form
    53,178.17/73,386.35 = 29,305.70/x
  3. Step 3: Cross multiply
    53,178.17x = 73,386.35 × 29,305.70
  4. Step 4: Simplify right side
    53,178.17x = 2,150,638,063.53
  5. Step 5: Solve for x
    x = 2,150,638,063.53/53,178.17
  6. Step 6: Final answer
    x = 40,442.13

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1.5x scale

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.