Home / 66,737.42-92,088.58-39,874.26

Finding the Fourth Proportional to 66,737.42, 92,088.58 and 39,874.26

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Solution

The fourth proportional to 66,737.42, 92,088.58 and 39,874.26 is: 55,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737.42 : 92,088.58 = 39,874.26 : x
  2. Step 2: Convert to fraction form
    66,737.42/92,088.58 = 39,874.26/x
  3. Step 3: Cross multiply
    66,737.42x = 92,088.58 × 39,874.26
  4. Step 4: Simplify right side
    66,737.42x = 3,671,963,981.95
  5. Step 5: Solve for x
    x = 3,671,963,981.95/66,737.42
  6. Step 6: Final answer
    x = 55,021.07

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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.