Home / 53,276.58-72,987.84-51,282.36

Finding the Fourth Proportional to 53,276.58, 72,987.84 and 51,282.36

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Solution

The fourth proportional to 53,276.58, 72,987.84 and 51,282.36 is: 70,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.58 : 72,987.84 = 51,282.36 : x
  2. Step 2: Convert to fraction form
    53,276.58/72,987.84 = 51,282.36/x
  3. Step 3: Cross multiply
    53,276.58x = 72,987.84 × 51,282.36
  4. Step 4: Simplify right side
    53,276.58x = 3,742,988,686.50
  5. Step 5: Solve for x
    x = 3,742,988,686.50/53,276.58
  6. Step 6: Final answer
    x = 70,255.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.