Home / 63,077.04-87,036.84-36,220.68

Finding the Fourth Proportional to 63,077.04, 87,036.84 and 36,220.68

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Solution

The fourth proportional to 63,077.04, 87,036.84 and 36,220.68 is: 49,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.04 : 87,036.84 = 36,220.68 : x
  2. Step 2: Convert to fraction form
    63,077.04/87,036.84 = 36,220.68/x
  3. Step 3: Cross multiply
    63,077.04x = 87,036.84 × 36,220.68
  4. Step 4: Simplify right side
    63,077.04x = 3,152,533,529.85
  5. Step 5: Solve for x
    x = 3,152,533,529.85/63,077.04
  6. Step 6: Final answer
    x = 49,979.10

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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.