Home / 88,269.38-121,812.16-47,983.12

Finding the Fourth Proportional to 88,269.38, 121,812.16 and 47,983.12

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Solution

The fourth proportional to 88,269.38, 121,812.16 and 47,983.12 is: 66,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.38 : 121,812.16 = 47,983.12 : x
  2. Step 2: Convert to fraction form
    88,269.38/121,812.16 = 47,983.12/x
  3. Step 3: Cross multiply
    88,269.38x = 121,812.16 × 47,983.12
  4. Step 4: Simplify right side
    88,269.38x = 5,844,927,490.74
  5. Step 5: Solve for x
    x = 5,844,927,490.74/88,269.38
  6. Step 6: Final answer
    x = 66,216.93

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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.