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Finding the Fourth Proportional to 64,075.61, 88,405.02 and 37,212.94

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Solution

The fourth proportional to 64,075.61, 88,405.02 and 37,212.94 is: 51,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.61 : 88,405.02 = 37,212.94 : x
  2. Step 2: Convert to fraction form
    64,075.61/88,405.02 = 37,212.94/x
  3. Step 3: Cross multiply
    64,075.61x = 88,405.02 × 37,212.94
  4. Step 4: Simplify right side
    64,075.61x = 3,289,810,704.96
  5. Step 5: Solve for x
    x = 3,289,810,704.96/64,075.61
  6. Step 6: Final answer
    x = 51,342.64

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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.