Home / 90,711.63-136,032.39-29,907.27

Finding the Fourth Proportional to 90,711.63, 136,032.39 and 29,907.27

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Solution

The fourth proportional to 90,711.63, 136,032.39 and 29,907.27 is: 44,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,711.63 : 136,032.39 = 29,907.27 : x
  2. Step 2: Convert to fraction form
    90,711.63/136,032.39 = 29,907.27/x
  3. Step 3: Cross multiply
    90,711.63x = 136,032.39 × 29,907.27
  4. Step 4: Simplify right side
    90,711.63x = 4,068,357,416.48
  5. Step 5: Solve for x
    x = 4,068,357,416.48/90,711.63
  6. Step 6: Final answer
    x = 44,849.35

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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.