Home / 86,733.32-130,010.48-42,305.16

Finding the Fourth Proportional to 86,733.32, 130,010.48 and 42,305.16

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Solution

The fourth proportional to 86,733.32, 130,010.48 and 42,305.16 is: 63,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.32 : 130,010.48 = 42,305.16 : x
  2. Step 2: Convert to fraction form
    86,733.32/130,010.48 = 42,305.16/x
  3. Step 3: Cross multiply
    86,733.32x = 130,010.48 × 42,305.16
  4. Step 4: Simplify right side
    86,733.32x = 5,500,114,158.08
  5. Step 5: Solve for x
    x = 5,500,114,158.08/86,733.32
  6. Step 6: Final answer
    x = 63,414.09

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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.