Home / 77,526.11-106,977.71-43,538.31

Finding the Fourth Proportional to 77,526.11, 106,977.71 and 43,538.31

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Solution

The fourth proportional to 77,526.11, 106,977.71 and 43,538.31 is: 60,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526.11 : 106,977.71 = 43,538.31 : x
  2. Step 2: Convert to fraction form
    77,526.11/106,977.71 = 43,538.31/x
  3. Step 3: Cross multiply
    77,526.11x = 106,977.71 × 43,538.31
  4. Step 4: Simplify right side
    77,526.11x = 4,657,628,809.92
  5. Step 5: Solve for x
    x = 4,657,628,809.92/77,526.11
  6. Step 6: Final answer
    x = 60,078.19

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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.