Home / 64,875.40-97,313.10-36,784.60

Finding the Fourth Proportional to 64,875.40, 97,313.10 and 36,784.60

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Solution

The fourth proportional to 64,875.40, 97,313.10 and 36,784.60 is: 55,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.40 : 97,313.10 = 36,784.60 : x
  2. Step 2: Convert to fraction form
    64,875.40/97,313.10 = 36,784.60/x
  3. Step 3: Cross multiply
    64,875.40x = 97,313.10 × 36,784.60
  4. Step 4: Simplify right side
    64,875.40x = 3,579,623,458.26
  5. Step 5: Solve for x
    x = 3,579,623,458.26/64,875.40
  6. Step 6: Final answer
    x = 55,176.90

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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.