Home / 85,700.47-118,252.58-53,846.81

Finding the Fourth Proportional to 85,700.47, 118,252.58 and 53,846.81

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Solution

The fourth proportional to 85,700.47, 118,252.58 and 53,846.81 is: 74,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,700.47 : 118,252.58 = 53,846.81 : x
  2. Step 2: Convert to fraction form
    85,700.47/118,252.58 = 53,846.81/x
  3. Step 3: Cross multiply
    85,700.47x = 118,252.58 × 53,846.81
  4. Step 4: Simplify right side
    85,700.47x = 6,367,524,637.52
  5. Step 5: Solve for x
    x = 6,367,524,637.52/85,700.47
  6. Step 6: Final answer
    x = 74,299.77

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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.