Home / 85,329.64-117,754.77-47,089.19

Finding the Fourth Proportional to 85,329.64, 117,754.77 and 47,089.19

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Solution

The fourth proportional to 85,329.64, 117,754.77 and 47,089.19 is: 64,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329.64 : 117,754.77 = 47,089.19 : x
  2. Step 2: Convert to fraction form
    85,329.64/117,754.77 = 47,089.19/x
  3. Step 3: Cross multiply
    85,329.64x = 117,754.77 × 47,089.19
  4. Step 4: Simplify right side
    85,329.64x = 5,544,976,298.17
  5. Step 5: Solve for x
    x = 5,544,976,298.17/85,329.64
  6. Step 6: Final answer
    x = 64,983.01

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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.