Home / 67,913.64-93,701.78-42,445.89

Finding the Fourth Proportional to 67,913.64, 93,701.78 and 42,445.89

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Solution

The fourth proportional to 67,913.64, 93,701.78 and 42,445.89 is: 58,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,913.64 : 93,701.78 = 42,445.89 : x
  2. Step 2: Convert to fraction form
    67,913.64/93,701.78 = 42,445.89/x
  3. Step 3: Cross multiply
    67,913.64x = 93,701.78 × 42,445.89
  4. Step 4: Simplify right side
    67,913.64x = 3,977,255,393.63
  5. Step 5: Solve for x
    x = 3,977,255,393.63/67,913.64
  6. Step 6: Final answer
    x = 58,563.43

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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.