Home / 82,587.20-113,966.40-46,776.32

Finding the Fourth Proportional to 82,587.20, 113,966.40 and 46,776.32

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Solution

The fourth proportional to 82,587.20, 113,966.40 and 46,776.32 is: 64,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587.20 : 113,966.40 = 46,776.32 : x
  2. Step 2: Convert to fraction form
    82,587.20/113,966.40 = 46,776.32/x
  3. Step 3: Cross multiply
    82,587.20x = 113,966.40 × 46,776.32
  4. Step 4: Simplify right side
    82,587.20x = 5,330,928,795.65
  5. Step 5: Solve for x
    x = 5,330,928,795.65/82,587.20
  6. Step 6: Final answer
    x = 64,549.09

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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.