Home / 53,840.32-74,286.95-45,259.12

Finding the Fourth Proportional to 53,840.32, 74,286.95 and 45,259.12

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Solution

The fourth proportional to 53,840.32, 74,286.95 and 45,259.12 is: 62,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.32 : 74,286.95 = 45,259.12 : x
  2. Step 2: Convert to fraction form
    53,840.32/74,286.95 = 45,259.12/x
  3. Step 3: Cross multiply
    53,840.32x = 74,286.95 × 45,259.12
  4. Step 4: Simplify right side
    53,840.32x = 3,362,161,572.47
  5. Step 5: Solve for x
    x = 3,362,161,572.47/53,840.32
  6. Step 6: Final answer
    x = 62,446.91

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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.