Home / 63,065.39-87,036.32-47,122.16

Finding the Fourth Proportional to 63,065.39, 87,036.32 and 47,122.16

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Solution

The fourth proportional to 63,065.39, 87,036.32 and 47,122.16 is: 65,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.39 : 87,036.32 = 47,122.16 : x
  2. Step 2: Convert to fraction form
    63,065.39/87,036.32 = 47,122.16/x
  3. Step 3: Cross multiply
    63,065.39x = 87,036.32 × 47,122.16
  4. Step 4: Simplify right side
    63,065.39x = 4,101,339,079.47
  5. Step 5: Solve for x
    x = 4,101,339,079.47/63,065.39
  6. Step 6: Final answer
    x = 65,033.13

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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.