Home / 53,529.39-73,840.80-42,156.99

Finding the Fourth Proportional to 53,529.39, 73,840.80 and 42,156.99

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Solution

The fourth proportional to 53,529.39, 73,840.80 and 42,156.99 is: 58,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.39 : 73,840.80 = 42,156.99 : x
  2. Step 2: Convert to fraction form
    53,529.39/73,840.80 = 42,156.99/x
  3. Step 3: Cross multiply
    53,529.39x = 73,840.80 × 42,156.99
  4. Step 4: Simplify right side
    53,529.39x = 3,112,905,867.19
  5. Step 5: Solve for x
    x = 3,112,905,867.19/53,529.39
  6. Step 6: Final answer
    x = 58,153.21

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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.