Home / 43,145.96-64,734.51-15,070.16

Finding the Fourth Proportional to 43,145.96, 64,734.51 and 15,070.16

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Solution

The fourth proportional to 43,145.96, 64,734.51 and 15,070.16 is: 22,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145.96 : 64,734.51 = 15,070.16 : x
  2. Step 2: Convert to fraction form
    43,145.96/64,734.51 = 15,070.16/x
  3. Step 3: Cross multiply
    43,145.96x = 64,734.51 × 15,070.16
  4. Step 4: Simplify right side
    43,145.96x = 975,559,423.22
  5. Step 5: Solve for x
    x = 975,559,423.22/43,145.96
  6. Step 6: Final answer
    x = 22,610.68

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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.