Home / 66,688.02-92,048.13-38,404.98

Finding the Fourth Proportional to 66,688.02, 92,048.13 and 38,404.98

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Solution

The fourth proportional to 66,688.02, 92,048.13 and 38,404.98 is: 53,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.02 : 92,048.13 = 38,404.98 : x
  2. Step 2: Convert to fraction form
    66,688.02/92,048.13 = 38,404.98/x
  3. Step 3: Cross multiply
    66,688.02x = 92,048.13 × 38,404.98
  4. Step 4: Simplify right side
    66,688.02x = 3,535,106,591.69
  5. Step 5: Solve for x
    x = 3,535,106,591.69/66,688.02
  6. Step 6: Final answer
    x = 53,009.62

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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.