Home / 84,637.60-127,011.45-36,653.07

Finding the Fourth Proportional to 84,637.60, 127,011.45 and 36,653.07

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Solution

The fourth proportional to 84,637.60, 127,011.45 and 36,653.07 is: 55,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.60 : 127,011.45 = 36,653.07 : x
  2. Step 2: Convert to fraction form
    84,637.60/127,011.45 = 36,653.07/x
  3. Step 3: Cross multiply
    84,637.60x = 127,011.45 × 36,653.07
  4. Step 4: Simplify right side
    84,637.60x = 4,655,359,567.65
  5. Step 5: Solve for x
    x = 4,655,359,567.65/84,637.60
  6. Step 6: Final answer
    x = 55,003.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.