Home / 56,829.34-85,240.90-17,386.45

Finding the Fourth Proportional to 56,829.34, 85,240.90 and 17,386.45

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Solution

The fourth proportional to 56,829.34, 85,240.90 and 17,386.45 is: 26,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,829.34 : 85,240.90 = 17,386.45 : x
  2. Step 2: Convert to fraction form
    56,829.34/85,240.90 = 17,386.45/x
  3. Step 3: Cross multiply
    56,829.34x = 85,240.90 × 17,386.45
  4. Step 4: Simplify right side
    56,829.34x = 1,482,036,219.60
  5. Step 5: Solve for x
    x = 1,482,036,219.60/56,829.34
  6. Step 6: Final answer
    x = 26,078.72

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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.