Home / 64,139.60-96,206.36-43,088.51

Finding the Fourth Proportional to 64,139.60, 96,206.36 and 43,088.51

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Solution

The fourth proportional to 64,139.60, 96,206.36 and 43,088.51 is: 64,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.60 : 96,206.36 = 43,088.51 : x
  2. Step 2: Convert to fraction form
    64,139.60/96,206.36 = 43,088.51/x
  3. Step 3: Cross multiply
    64,139.60x = 96,206.36 × 43,088.51
  4. Step 4: Simplify right side
    64,139.60x = 4,145,388,008.45
  5. Step 5: Solve for x
    x = 4,145,388,008.45/64,139.60
  6. Step 6: Final answer
    x = 64,630.72

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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.