Home / 84,030.48-115,924.28-56,797.84

Finding the Fourth Proportional to 84,030.48, 115,924.28 and 56,797.84

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Solution

The fourth proportional to 84,030.48, 115,924.28 and 56,797.84 is: 78,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.48 : 115,924.28 = 56,797.84 : x
  2. Step 2: Convert to fraction form
    84,030.48/115,924.28 = 56,797.84/x
  3. Step 3: Cross multiply
    84,030.48x = 115,924.28 × 56,797.84
  4. Step 4: Simplify right side
    84,030.48x = 6,584,248,707.56
  5. Step 5: Solve for x
    x = 6,584,248,707.56/84,030.48
  6. Step 6: Final answer
    x = 78,355.48

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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.