Home / 49,402.34-68,130.12-42,259.22

Finding the Fourth Proportional to 49,402.34, 68,130.12 and 42,259.22

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Solution

The fourth proportional to 49,402.34, 68,130.12 and 42,259.22 is: 58,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.34 : 68,130.12 = 42,259.22 : x
  2. Step 2: Convert to fraction form
    49,402.34/68,130.12 = 42,259.22/x
  3. Step 3: Cross multiply
    49,402.34x = 68,130.12 × 42,259.22
  4. Step 4: Simplify right side
    49,402.34x = 2,879,125,729.71
  5. Step 5: Solve for x
    x = 2,879,125,729.71/49,402.34
  6. Step 6: Final answer
    x = 58,279.14

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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.