Home / 63,407.60-87,423.08-40,706.56

Finding the Fourth Proportional to 63,407.60, 87,423.08 and 40,706.56

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Solution

The fourth proportional to 63,407.60, 87,423.08 and 40,706.56 is: 56,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,407.60 : 87,423.08 = 40,706.56 : x
  2. Step 2: Convert to fraction form
    63,407.60/87,423.08 = 40,706.56/x
  3. Step 3: Cross multiply
    63,407.60x = 87,423.08 × 40,706.56
  4. Step 4: Simplify right side
    63,407.60x = 3,558,692,851.40
  5. Step 5: Solve for x
    x = 3,558,692,851.40/63,407.60
  6. Step 6: Final answer
    x = 56,124.07

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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.