Home / 99,033.35-136,652.87-56,018.70

Finding the Fourth Proportional to 99,033.35, 136,652.87 and 56,018.70

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Solution

The fourth proportional to 99,033.35, 136,652.87 and 56,018.70 is: 77,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.35 : 136,652.87 = 56,018.70 : x
  2. Step 2: Convert to fraction form
    99,033.35/136,652.87 = 56,018.70/x
  3. Step 3: Cross multiply
    99,033.35x = 136,652.87 × 56,018.70
  4. Step 4: Simplify right side
    99,033.35x = 7,655,115,848.58
  5. Step 5: Solve for x
    x = 7,655,115,848.58/99,033.35
  6. Step 6: Final answer
    x = 77,298.37

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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.