Home / 85,977.77-128,973.57-32,695.23

Finding the Fourth Proportional to 85,977.77, 128,973.57 and 32,695.23

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Solution

The fourth proportional to 85,977.77, 128,973.57 and 32,695.23 is: 49,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,977.77 : 128,973.57 = 32,695.23 : x
  2. Step 2: Convert to fraction form
    85,977.77/128,973.57 = 32,695.23/x
  3. Step 3: Cross multiply
    85,977.77x = 128,973.57 × 32,695.23
  4. Step 4: Simplify right side
    85,977.77x = 4,216,820,535.07
  5. Step 5: Solve for x
    x = 4,216,820,535.07/85,977.77
  6. Step 6: Final answer
    x = 49,045.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.