Home / 74,441.23-102,718.53-54,320.83

Finding the Fourth Proportional to 74,441.23, 102,718.53 and 54,320.83

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Solution

The fourth proportional to 74,441.23, 102,718.53 and 54,320.83 is: 74,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.23 : 102,718.53 = 54,320.83 : x
  2. Step 2: Convert to fraction form
    74,441.23/102,718.53 = 54,320.83/x
  3. Step 3: Cross multiply
    74,441.23x = 102,718.53 × 54,320.83
  4. Step 4: Simplify right side
    74,441.23x = 5,579,755,549.18
  5. Step 5: Solve for x
    x = 5,579,755,549.18/74,441.23
  6. Step 6: Final answer
    x = 74,955.18

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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.