Home / 66,421.40-99,437.70-44,259.80

Finding the Fourth Proportional to 66,421.40, 99,437.70 and 44,259.80

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Solution

The fourth proportional to 66,421.40, 99,437.70 and 44,259.80 is: 66,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,421.40 : 99,437.70 = 44,259.80 : x
  2. Step 2: Convert to fraction form
    66,421.40/99,437.70 = 44,259.80/x
  3. Step 3: Cross multiply
    66,421.40x = 99,437.70 × 44,259.80
  4. Step 4: Simplify right side
    66,421.40x = 4,401,092,714.46
  5. Step 5: Solve for x
    x = 4,401,092,714.46/66,421.40
  6. Step 6: Final answer
    x = 66,260.16

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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.