Home / 66,377.02-91,538.76-48,443.62

Finding the Fourth Proportional to 66,377.02, 91,538.76 and 48,443.62

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Solution

The fourth proportional to 66,377.02, 91,538.76 and 48,443.62 is: 66,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.02 : 91,538.76 = 48,443.62 : x
  2. Step 2: Convert to fraction form
    66,377.02/91,538.76 = 48,443.62/x
  3. Step 3: Cross multiply
    66,377.02x = 91,538.76 × 48,443.62
  4. Step 4: Simplify right side
    66,377.02x = 4,434,468,904.71
  5. Step 5: Solve for x
    x = 4,434,468,904.71/66,377.02
  6. Step 6: Final answer
    x = 66,807.29

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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.