Home / 63,415.32-87,336.60-49,022.16

Finding the Fourth Proportional to 63,415.32, 87,336.60 and 49,022.16

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Solution

The fourth proportional to 63,415.32, 87,336.60 and 49,022.16 is: 67,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.32 : 87,336.60 = 49,022.16 : x
  2. Step 2: Convert to fraction form
    63,415.32/87,336.60 = 49,022.16/x
  3. Step 3: Cross multiply
    63,415.32x = 87,336.60 × 49,022.16
  4. Step 4: Simplify right side
    63,415.32x = 4,281,428,779.06
  5. Step 5: Solve for x
    x = 4,281,428,779.06/63,415.32
  6. Step 6: Final answer
    x = 67,514.11

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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.