Home / 66,064.95-99,112.56-28,631.30

Finding the Fourth Proportional to 66,064.95, 99,112.56 and 28,631.30

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Solution

The fourth proportional to 66,064.95, 99,112.56 and 28,631.30 is: 42,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,064.95 : 99,112.56 = 28,631.30 : x
  2. Step 2: Convert to fraction form
    66,064.95/99,112.56 = 28,631.30/x
  3. Step 3: Cross multiply
    66,064.95x = 99,112.56 × 28,631.30
  4. Step 4: Simplify right side
    66,064.95x = 2,837,720,943.57
  5. Step 5: Solve for x
    x = 2,837,720,943.57/66,064.95
  6. Step 6: Final answer
    x = 42,953.50

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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.