Home / 84,312.78-126,519.79-33,702.76

Finding the Fourth Proportional to 84,312.78, 126,519.79 and 33,702.76

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Solution

The fourth proportional to 84,312.78, 126,519.79 and 33,702.76 is: 50,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312.78 : 126,519.79 = 33,702.76 : x
  2. Step 2: Convert to fraction form
    84,312.78/126,519.79 = 33,702.76/x
  3. Step 3: Cross multiply
    84,312.78x = 126,519.79 × 33,702.76
  4. Step 4: Simplify right side
    84,312.78x = 4,264,066,254.71
  5. Step 5: Solve for x
    x = 4,264,066,254.71/84,312.78
  6. Step 6: Final answer
    x = 50,574.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.