Home / 78,280.28-108,019.52-44,291.34

Finding the Fourth Proportional to 78,280.28, 108,019.52 and 44,291.34

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Solution

The fourth proportional to 78,280.28, 108,019.52 and 44,291.34 is: 61,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,280.28 : 108,019.52 = 44,291.34 : x
  2. Step 2: Convert to fraction form
    78,280.28/108,019.52 = 44,291.34/x
  3. Step 3: Cross multiply
    78,280.28x = 108,019.52 × 44,291.34
  4. Step 4: Simplify right side
    78,280.28x = 4,784,329,065.50
  5. Step 5: Solve for x
    x = 4,784,329,065.50/78,280.28
  6. Step 6: Final answer
    x = 61,117.93

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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.