Home / 66,430.22-99,623.65-22,045.06

Finding the Fourth Proportional to 66,430.22, 99,623.65 and 22,045.06

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Solution

The fourth proportional to 66,430.22, 99,623.65 and 22,045.06 is: 33,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430.22 : 99,623.65 = 22,045.06 : x
  2. Step 2: Convert to fraction form
    66,430.22/99,623.65 = 22,045.06/x
  3. Step 3: Cross multiply
    66,430.22x = 99,623.65 × 22,045.06
  4. Step 4: Simplify right side
    66,430.22x = 2,196,209,341.67
  5. Step 5: Solve for x
    x = 2,196,209,341.67/66,430.22
  6. Step 6: Final answer
    x = 33,060.40

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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.