Home / 74,877.71-103,329.86-40,885.27

Finding the Fourth Proportional to 74,877.71, 103,329.86 and 40,885.27

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Solution

The fourth proportional to 74,877.71, 103,329.86 and 40,885.27 is: 56,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877.71 : 103,329.86 = 40,885.27 : x
  2. Step 2: Convert to fraction form
    74,877.71/103,329.86 = 40,885.27/x
  3. Step 3: Cross multiply
    74,877.71x = 103,329.86 × 40,885.27
  4. Step 4: Simplify right side
    74,877.71x = 4,224,668,762.41
  5. Step 5: Solve for x
    x = 4,224,668,762.41/74,877.71
  6. Step 6: Final answer
    x = 56,420.92

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1.5x scale

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.