Home / 64,238.16-88,590.09-55,160.67

Finding the Fourth Proportional to 64,238.16, 88,590.09 and 55,160.67

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Solution

The fourth proportional to 64,238.16, 88,590.09 and 55,160.67 is: 76,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238.16 : 88,590.09 = 55,160.67 : x
  2. Step 2: Convert to fraction form
    64,238.16/88,590.09 = 55,160.67/x
  3. Step 3: Cross multiply
    64,238.16x = 88,590.09 × 55,160.67
  4. Step 4: Simplify right side
    64,238.16x = 4,886,688,001.01
  5. Step 5: Solve for x
    x = 4,886,688,001.01/64,238.16
  6. Step 6: Final answer
    x = 76,071.43

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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.