Home / 83,000.57-124,501.32-20,671.07

Finding the Fourth Proportional to 83,000.57, 124,501.32 and 20,671.07

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Solution

The fourth proportional to 83,000.57, 124,501.32 and 20,671.07 is: 31,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,000.57 : 124,501.32 = 20,671.07 : x
  2. Step 2: Convert to fraction form
    83,000.57/124,501.32 = 20,671.07/x
  3. Step 3: Cross multiply
    83,000.57x = 124,501.32 × 20,671.07
  4. Step 4: Simplify right side
    83,000.57x = 2,573,574,878.31
  5. Step 5: Solve for x
    x = 2,573,574,878.31/83,000.57
  6. Step 6: Final answer
    x = 31,006.72

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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.