Home / 75,983.04-113,896.80-36,547.20

Finding the Fourth Proportional to 75,983.04, 113,896.80 and 36,547.20

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Solution

The fourth proportional to 75,983.04, 113,896.80 and 36,547.20 is: 54,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983.04 : 113,896.80 = 36,547.20 : x
  2. Step 2: Convert to fraction form
    75,983.04/113,896.80 = 36,547.20/x
  3. Step 3: Cross multiply
    75,983.04x = 113,896.80 × 36,547.20
  4. Step 4: Simplify right side
    75,983.04x = 4,162,609,128.96
  5. Step 5: Solve for x
    x = 4,162,609,128.96/75,983.04
  6. Step 6: Final answer
    x = 54,783.40

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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.