Home / 86,533.24-119,415.78-48,807.40

Finding the Fourth Proportional to 86,533.24, 119,415.78 and 48,807.40

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Solution

The fourth proportional to 86,533.24, 119,415.78 and 48,807.40 is: 67,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533.24 : 119,415.78 = 48,807.40 : x
  2. Step 2: Convert to fraction form
    86,533.24/119,415.78 = 48,807.40/x
  3. Step 3: Cross multiply
    86,533.24x = 119,415.78 × 48,807.40
  4. Step 4: Simplify right side
    86,533.24x = 5,828,373,740.77
  5. Step 5: Solve for x
    x = 5,828,373,740.77/86,533.24
  6. Step 6: Final answer
    x = 67,354.16

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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.