Home / 56,749.40-85,124.10-49,837.40

Finding the Fourth Proportional to 56,749.40, 85,124.10 and 49,837.40

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Solution

The fourth proportional to 56,749.40, 85,124.10 and 49,837.40 is: 74,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,749.40 : 85,124.10 = 49,837.40 : x
  2. Step 2: Convert to fraction form
    56,749.40/85,124.10 = 49,837.40/x
  3. Step 3: Cross multiply
    56,749.40x = 85,124.10 × 49,837.40
  4. Step 4: Simplify right side
    56,749.40x = 4,242,363,821.34
  5. Step 5: Solve for x
    x = 4,242,363,821.34/56,749.40
  6. Step 6: Final answer
    x = 74,756.10

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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.