Home / 85,532.64-128,266.16-29,362.28

Finding the Fourth Proportional to 85,532.64, 128,266.16 and 29,362.28

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Solution

The fourth proportional to 85,532.64, 128,266.16 and 29,362.28 is: 44,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.64 : 128,266.16 = 29,362.28 : x
  2. Step 2: Convert to fraction form
    85,532.64/128,266.16 = 29,362.28/x
  3. Step 3: Cross multiply
    85,532.64x = 128,266.16 × 29,362.28
  4. Step 4: Simplify right side
    85,532.64x = 3,766,186,904.44
  5. Step 5: Solve for x
    x = 3,766,186,904.44/85,532.64
  6. Step 6: Final answer
    x = 44,032.16

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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.