Home / 66,316.90-99,350.16-51,349.72

Finding the Fourth Proportional to 66,316.90, 99,350.16 and 51,349.72

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Solution

The fourth proportional to 66,316.90, 99,350.16 and 51,349.72 is: 76,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.90 : 99,350.16 = 51,349.72 : x
  2. Step 2: Convert to fraction form
    66,316.90/99,350.16 = 51,349.72/x
  3. Step 3: Cross multiply
    66,316.90x = 99,350.16 × 51,349.72
  4. Step 4: Simplify right side
    66,316.90x = 5,101,602,897.96
  5. Step 5: Solve for x
    x = 5,101,602,897.96/66,316.90
  6. Step 6: Final answer
    x = 76,927.64

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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.