Home / 56,085.40-84,140.16-16,645.24

Finding the Fourth Proportional to 56,085.40, 84,140.16 and 16,645.24

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Solution

The fourth proportional to 56,085.40, 84,140.16 and 16,645.24 is: 24,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.40 : 84,140.16 = 16,645.24 : x
  2. Step 2: Convert to fraction form
    56,085.40/84,140.16 = 16,645.24/x
  3. Step 3: Cross multiply
    56,085.40x = 84,140.16 × 16,645.24
  4. Step 4: Simplify right side
    56,085.40x = 1,400,533,156.84
  5. Step 5: Solve for x
    x = 1,400,533,156.84/56,085.40
  6. Step 6: Final answer
    x = 24,971.44

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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.