Home / 67,389.28-92,938.13-53,955.63

Finding the Fourth Proportional to 67,389.28, 92,938.13 and 53,955.63

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Solution

The fourth proportional to 67,389.28, 92,938.13 and 53,955.63 is: 74,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.28 : 92,938.13 = 53,955.63 : x
  2. Step 2: Convert to fraction form
    67,389.28/92,938.13 = 53,955.63/x
  3. Step 3: Cross multiply
    67,389.28x = 92,938.13 × 53,955.63
  4. Step 4: Simplify right side
    67,389.28x = 5,014,535,317.74
  5. Step 5: Solve for x
    x = 5,014,535,317.74/67,389.28
  6. Step 6: Final answer
    x = 74,411.47

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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.