Home / 66,364.95-99,307.80-57,116.52

Finding the Fourth Proportional to 66,364.95, 99,307.80 and 57,116.52

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Solution

The fourth proportional to 66,364.95, 99,307.80 and 57,116.52 is: 85,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.95 : 99,307.80 = 57,116.52 : x
  2. Step 2: Convert to fraction form
    66,364.95/99,307.80 = 57,116.52/x
  3. Step 3: Cross multiply
    66,364.95x = 99,307.80 × 57,116.52
  4. Step 4: Simplify right side
    66,364.95x = 5,672,115,944.86
  5. Step 5: Solve for x
    x = 5,672,115,944.86/66,364.95
  6. Step 6: Final answer
    x = 85,468.55

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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.