Home / 59,840.10-89,650.80-48,686.40

Finding the Fourth Proportional to 59,840.10, 89,650.80 and 48,686.40

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Solution

The fourth proportional to 59,840.10, 89,650.80 and 48,686.40 is: 72,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,840.10 : 89,650.80 = 48,686.40 : x
  2. Step 2: Convert to fraction form
    59,840.10/89,650.80 = 48,686.40/x
  3. Step 3: Cross multiply
    59,840.10x = 89,650.80 × 48,686.40
  4. Step 4: Simplify right side
    59,840.10x = 4,364,774,709.12
  5. Step 5: Solve for x
    x = 4,364,774,709.12/59,840.10
  6. Step 6: Final answer
    x = 72,940.63

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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.