Home / 42,716.16-64,074.24-13,133.34

Finding the Fourth Proportional to 42,716.16, 64,074.24 and 13,133.34

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Solution

The fourth proportional to 42,716.16, 64,074.24 and 13,133.34 is: 19,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.16 : 64,074.24 = 13,133.34 : x
  2. Step 2: Convert to fraction form
    42,716.16/64,074.24 = 13,133.34/x
  3. Step 3: Cross multiply
    42,716.16x = 64,074.24 × 13,133.34
  4. Step 4: Simplify right side
    42,716.16x = 841,508,779.16
  5. Step 5: Solve for x
    x = 841,508,779.16/42,716.16
  6. Step 6: Final answer
    x = 19,700.01

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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.