Home / 43,281.16-64,931.46-13,700.77

Finding the Fourth Proportional to 43,281.16, 64,931.46 and 13,700.77

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Solution

The fourth proportional to 43,281.16, 64,931.46 and 13,700.77 is: 20,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.16 : 64,931.46 = 13,700.77 : x
  2. Step 2: Convert to fraction form
    43,281.16/64,931.46 = 13,700.77/x
  3. Step 3: Cross multiply
    43,281.16x = 64,931.46 × 13,700.77
  4. Step 4: Simplify right side
    43,281.16x = 889,610,674.57
  5. Step 5: Solve for x
    x = 889,610,674.57/43,281.16
  6. Step 6: Final answer
    x = 20,554.23

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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.