Home / 85,089.86-117,422.07-53,276.30

Finding the Fourth Proportional to 85,089.86, 117,422.07 and 53,276.30

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Solution

The fourth proportional to 85,089.86, 117,422.07 and 53,276.30 is: 73,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,089.86 : 117,422.07 = 53,276.30 : x
  2. Step 2: Convert to fraction form
    85,089.86/117,422.07 = 53,276.30/x
  3. Step 3: Cross multiply
    85,089.86x = 117,422.07 × 53,276.30
  4. Step 4: Simplify right side
    85,089.86x = 6,255,813,521.71
  5. Step 5: Solve for x
    x = 6,255,813,521.71/85,089.86
  6. Step 6: Final answer
    x = 73,520.08

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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.