Home / 85,726.64-118,307.64-48,000.56

Finding the Fourth Proportional to 85,726.64, 118,307.64 and 48,000.56

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Solution

The fourth proportional to 85,726.64, 118,307.64 and 48,000.56 is: 66,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.64 : 118,307.64 = 48,000.56 : x
  2. Step 2: Convert to fraction form
    85,726.64/118,307.64 = 48,000.56/x
  3. Step 3: Cross multiply
    85,726.64x = 118,307.64 × 48,000.56
  4. Step 4: Simplify right side
    85,726.64x = 5,678,832,972.28
  5. Step 5: Solve for x
    x = 5,678,832,972.28/85,726.64
  6. Step 6: Final answer
    x = 66,243.50

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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.