Home / 56,345.40-84,518.10-35,660.60

Finding the Fourth Proportional to 56,345.40, 84,518.10 and 35,660.60

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Solution

The fourth proportional to 56,345.40, 84,518.10 and 35,660.60 is: 53,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.40 : 84,518.10 = 35,660.60 : x
  2. Step 2: Convert to fraction form
    56,345.40/84,518.10 = 35,660.60/x
  3. Step 3: Cross multiply
    56,345.40x = 84,518.10 × 35,660.60
  4. Step 4: Simplify right side
    56,345.40x = 3,013,966,156.86
  5. Step 5: Solve for x
    x = 3,013,966,156.86/56,345.40
  6. Step 6: Final answer
    x = 53,490.90

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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.