Home / 80,746.35-111,314.49-56,798.70

Finding the Fourth Proportional to 80,746.35, 111,314.49 and 56,798.70

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Solution

The fourth proportional to 80,746.35, 111,314.49 and 56,798.70 is: 78,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.35 : 111,314.49 = 56,798.70 : x
  2. Step 2: Convert to fraction form
    80,746.35/111,314.49 = 56,798.70/x
  3. Step 3: Cross multiply
    80,746.35x = 111,314.49 × 56,798.70
  4. Step 4: Simplify right side
    80,746.35x = 6,322,518,323.16
  5. Step 5: Solve for x
    x = 6,322,518,323.16/80,746.35
  6. Step 6: Final answer
    x = 78,300.98

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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.