Home / 63,783.99-88,034.04-42,235.70

Finding the Fourth Proportional to 63,783.99, 88,034.04 and 42,235.70

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Solution

The fourth proportional to 63,783.99, 88,034.04 and 42,235.70 is: 58,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,783.99 : 88,034.04 = 42,235.70 : x
  2. Step 2: Convert to fraction form
    63,783.99/88,034.04 = 42,235.70/x
  3. Step 3: Cross multiply
    63,783.99x = 88,034.04 × 42,235.70
  4. Step 4: Simplify right side
    63,783.99x = 3,718,178,863.06
  5. Step 5: Solve for x
    x = 3,718,178,863.06/63,783.99
  6. Step 6: Final answer
    x = 58,293.29

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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.