Home / 89,612.67-134,442.06-26,430.24

Finding the Fourth Proportional to 89,612.67, 134,442.06 and 26,430.24

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Solution

The fourth proportional to 89,612.67, 134,442.06 and 26,430.24 is: 39,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.67 : 134,442.06 = 26,430.24 : x
  2. Step 2: Convert to fraction form
    89,612.67/134,442.06 = 26,430.24/x
  3. Step 3: Cross multiply
    89,612.67x = 134,442.06 × 26,430.24
  4. Step 4: Simplify right side
    89,612.67x = 3,553,335,911.89
  5. Step 5: Solve for x
    x = 3,553,335,911.89/89,612.67
  6. Step 6: Final answer
    x = 39,652.16

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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.