Home / 89,428.32-134,220.24-58,307.04

Finding the Fourth Proportional to 89,428.32, 134,220.24 and 58,307.04

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Solution

The fourth proportional to 89,428.32, 134,220.24 and 58,307.04 is: 87,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,428.32 : 134,220.24 = 58,307.04 : x
  2. Step 2: Convert to fraction form
    89,428.32/134,220.24 = 58,307.04/x
  3. Step 3: Cross multiply
    89,428.32x = 134,220.24 × 58,307.04
  4. Step 4: Simplify right side
    89,428.32x = 7,825,984,902.49
  5. Step 5: Solve for x
    x = 7,825,984,902.49/89,428.32
  6. Step 6: Final answer
    x = 87,511.26

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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.