Home / 85,742.28-118,317.78-48,011.40

Finding the Fourth Proportional to 85,742.28, 118,317.78 and 48,011.40

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Solution

The fourth proportional to 85,742.28, 118,317.78 and 48,011.40 is: 66,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,742.28 : 118,317.78 = 48,011.40 : x
  2. Step 2: Convert to fraction form
    85,742.28/118,317.78 = 48,011.40/x
  3. Step 3: Cross multiply
    85,742.28x = 118,317.78 × 48,011.40
  4. Step 4: Simplify right side
    85,742.28x = 5,680,602,262.69
  5. Step 5: Solve for x
    x = 5,680,602,262.69/85,742.28
  6. Step 6: Final answer
    x = 66,252.06

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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.