Home / 64,619.84-96,977.10-42,425.40

Finding the Fourth Proportional to 64,619.84, 96,977.10 and 42,425.40

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Solution

The fourth proportional to 64,619.84, 96,977.10 and 42,425.40 is: 63,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.84 : 96,977.10 = 42,425.40 : x
  2. Step 2: Convert to fraction form
    64,619.84/96,977.10 = 42,425.40/x
  3. Step 3: Cross multiply
    64,619.84x = 96,977.10 × 42,425.40
  4. Step 4: Simplify right side
    64,619.84x = 4,114,292,258.34
  5. Step 5: Solve for x
    x = 4,114,292,258.34/64,619.84
  6. Step 6: Final answer
    x = 63,669.18

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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.