Home / 105,344.10-145,370.34-57,598.20

Finding the Fourth Proportional to 105,344.10, 145,370.34 and 57,598.20

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Solution

The fourth proportional to 105,344.10, 145,370.34 and 57,598.20 is: 79,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,344.10 : 145,370.34 = 57,598.20 : x
  2. Step 2: Convert to fraction form
    105,344.10/145,370.34 = 57,598.20/x
  3. Step 3: Cross multiply
    105,344.10x = 145,370.34 × 57,598.20
  4. Step 4: Simplify right side
    105,344.10x = 8,373,069,917.39
  5. Step 5: Solve for x
    x = 8,373,069,917.39/105,344.10
  6. Step 6: Final answer
    x = 79,483.05

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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.