Home / 96,945.20-145,417.80-59,620.40

Finding the Fourth Proportional to 96,945.20, 145,417.80 and 59,620.40

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Solution

The fourth proportional to 96,945.20, 145,417.80 and 59,620.40 is: 89,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.20 : 145,417.80 = 59,620.40 : x
  2. Step 2: Convert to fraction form
    96,945.20/145,417.80 = 59,620.40/x
  3. Step 3: Cross multiply
    96,945.20x = 145,417.80 × 59,620.40
  4. Step 4: Simplify right side
    96,945.20x = 8,669,867,403.12
  5. Step 5: Solve for x
    x = 8,669,867,403.12/96,945.20
  6. Step 6: Final answer
    x = 89,430.60

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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.