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Finding the Fourth Proportional to 66,014.62, 91,075.80 and 45,595.33

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Solution

The fourth proportional to 66,014.62, 91,075.80 and 45,595.33 is: 62,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014.62 : 91,075.80 = 45,595.33 : x
  2. Step 2: Convert to fraction form
    66,014.62/91,075.80 = 45,595.33/x
  3. Step 3: Cross multiply
    66,014.62x = 91,075.80 × 45,595.33
  4. Step 4: Simplify right side
    66,014.62x = 4,152,631,156.01
  5. Step 5: Solve for x
    x = 4,152,631,156.01/66,014.62
  6. Step 6: Final answer
    x = 62,904.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.