Home / 82,240.16-113,490.47-46,431.68

Finding the Fourth Proportional to 82,240.16, 113,490.47 and 46,431.68

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Solution

The fourth proportional to 82,240.16, 113,490.47 and 46,431.68 is: 64,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,240.16 : 113,490.47 = 46,431.68 : x
  2. Step 2: Convert to fraction form
    82,240.16/113,490.47 = 46,431.68/x
  3. Step 3: Cross multiply
    82,240.16x = 113,490.47 × 46,431.68
  4. Step 4: Simplify right side
    82,240.16x = 5,269,553,111.92
  5. Step 5: Solve for x
    x = 5,269,553,111.92/82,240.16
  6. Step 6: Final answer
    x = 64,075.18

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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.