Home / 85,724.13-118,271.95-55,532.59

Finding the Fourth Proportional to 85,724.13, 118,271.95 and 55,532.59

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Solution

The fourth proportional to 85,724.13, 118,271.95 and 55,532.59 is: 76,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,724.13 : 118,271.95 = 55,532.59 : x
  2. Step 2: Convert to fraction form
    85,724.13/118,271.95 = 55,532.59/x
  3. Step 3: Cross multiply
    85,724.13x = 118,271.95 × 55,532.59
  4. Step 4: Simplify right side
    85,724.13x = 6,567,947,707.85
  5. Step 5: Solve for x
    x = 6,567,947,707.85/85,724.13
  6. Step 6: Final answer
    x = 76,617.26

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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.