Home / 56,128.50-84,069.15-46,400.94

Finding the Fourth Proportional to 56,128.50, 84,069.15 and 46,400.94

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Solution

The fourth proportional to 56,128.50, 84,069.15 and 46,400.94 is: 69,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.50 : 84,069.15 = 46,400.94 : x
  2. Step 2: Convert to fraction form
    56,128.50/84,069.15 = 46,400.94/x
  3. Step 3: Cross multiply
    56,128.50x = 84,069.15 × 46,400.94
  4. Step 4: Simplify right side
    56,128.50x = 3,900,887,585.00
  5. Step 5: Solve for x
    x = 3,900,887,585.00/56,128.50
  6. Step 6: Final answer
    x = 69,499.23

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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.