Home / 78,011.20-116,793.84-63,068.32

Finding the Fourth Proportional to 78,011.20, 116,793.84 and 63,068.32

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Solution

The fourth proportional to 78,011.20, 116,793.84 and 63,068.32 is: 94,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,011.20 : 116,793.84 = 63,068.32 : x
  2. Step 2: Convert to fraction form
    78,011.20/116,793.84 = 63,068.32/x
  3. Step 3: Cross multiply
    78,011.20x = 116,793.84 × 63,068.32
  4. Step 4: Simplify right side
    78,011.20x = 7,365,991,275.15
  5. Step 5: Solve for x
    x = 7,365,991,275.15/78,011.20
  6. Step 6: Final answer
    x = 94,422.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.