Home / 92,769.28-128,021.64-52,482.24

Finding the Fourth Proportional to 92,769.28, 128,021.64 and 52,482.24

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Solution

The fourth proportional to 92,769.28, 128,021.64 and 52,482.24 is: 72,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.28 : 128,021.64 = 52,482.24 : x
  2. Step 2: Convert to fraction form
    92,769.28/128,021.64 = 52,482.24/x
  3. Step 3: Cross multiply
    92,769.28x = 128,021.64 × 52,482.24
  4. Step 4: Simplify right side
    92,769.28x = 6,718,862,435.67
  5. Step 5: Solve for x
    x = 6,718,862,435.67/92,769.28
  6. Step 6: Final answer
    x = 72,425.51

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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.