Home / 89,722.40-134,603.28-26,537.58

Finding the Fourth Proportional to 89,722.40, 134,603.28 and 26,537.58

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Solution

The fourth proportional to 89,722.40, 134,603.28 and 26,537.58 is: 39,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,722.40 : 134,603.28 = 26,537.58 : x
  2. Step 2: Convert to fraction form
    89,722.40/134,603.28 = 26,537.58/x
  3. Step 3: Cross multiply
    89,722.40x = 134,603.28 × 26,537.58
  4. Step 4: Simplify right side
    89,722.40x = 3,572,045,311.26
  5. Step 5: Solve for x
    x = 3,572,045,311.26/89,722.40
  6. Step 6: Final answer
    x = 39,812.19

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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.