Home / 99,320.10-148,980.15-59,856.90

Finding the Fourth Proportional to 99,320.10, 148,980.15 and 59,856.90

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Solution

The fourth proportional to 99,320.10, 148,980.15 and 59,856.90 is: 89,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320.10 : 148,980.15 = 59,856.90 : x
  2. Step 2: Convert to fraction form
    99,320.10/148,980.15 = 59,856.90/x
  3. Step 3: Cross multiply
    99,320.10x = 148,980.15 × 59,856.90
  4. Step 4: Simplify right side
    99,320.10x = 8,917,489,940.54
  5. Step 5: Solve for x
    x = 8,917,489,940.54/99,320.10
  6. Step 6: Final answer
    x = 89,785.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.