Home / 99,023.40-136,659.83-56,003.74

Finding the Fourth Proportional to 99,023.40, 136,659.83 and 56,003.74

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Solution

The fourth proportional to 99,023.40, 136,659.83 and 56,003.74 is: 77,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,023.40 : 136,659.83 = 56,003.74 : x
  2. Step 2: Convert to fraction form
    99,023.40/136,659.83 = 56,003.74/x
  3. Step 3: Cross multiply
    99,023.40x = 136,659.83 × 56,003.74
  4. Step 4: Simplify right side
    99,023.40x = 7,653,461,587.76
  5. Step 5: Solve for x
    x = 7,653,461,587.76/99,023.40
  6. Step 6: Final answer
    x = 77,289.42

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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.