Home / 89,688.98-134,441.15-39,792.57

Finding the Fourth Proportional to 89,688.98, 134,441.15 and 39,792.57

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Solution

The fourth proportional to 89,688.98, 134,441.15 and 39,792.57 is: 59,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688.98 : 134,441.15 = 39,792.57 : x
  2. Step 2: Convert to fraction form
    89,688.98/134,441.15 = 39,792.57/x
  3. Step 3: Cross multiply
    89,688.98x = 134,441.15 × 39,792.57
  4. Step 4: Simplify right side
    89,688.98x = 5,349,758,673.29
  5. Step 5: Solve for x
    x = 5,349,758,673.29/89,688.98
  6. Step 6: Final answer
    x = 59,647.90

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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.