Home / 59,347.20-81,922.80-38,937.04

Finding the Fourth Proportional to 59,347.20, 81,922.80 and 38,937.04

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Solution

The fourth proportional to 59,347.20, 81,922.80 and 38,937.04 is: 53,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,347.20 : 81,922.80 = 38,937.04 : x
  2. Step 2: Convert to fraction form
    59,347.20/81,922.80 = 38,937.04/x
  3. Step 3: Cross multiply
    59,347.20x = 81,922.80 × 38,937.04
  4. Step 4: Simplify right side
    59,347.20x = 3,189,831,340.51
  5. Step 5: Solve for x
    x = 3,189,831,340.51/59,347.20
  6. Step 6: Final answer
    x = 53,748.64

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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.