Home / 72,281.90-108,376.58-34,767.26

Finding the Fourth Proportional to 72,281.90, 108,376.58 and 34,767.26

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Solution

The fourth proportional to 72,281.90, 108,376.58 and 34,767.26 is: 52,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,281.90 : 108,376.58 = 34,767.26 : x
  2. Step 2: Convert to fraction form
    72,281.90/108,376.58 = 34,767.26/x
  3. Step 3: Cross multiply
    72,281.90x = 108,376.58 × 34,767.26
  4. Step 4: Simplify right side
    72,281.90x = 3,767,956,686.22
  5. Step 5: Solve for x
    x = 3,767,956,686.22/72,281.90
  6. Step 6: Final answer
    x = 52,128.63

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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.