Home / 74,895.02-103,307.66-56,950.68

Finding the Fourth Proportional to 74,895.02, 103,307.66 and 56,950.68

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Solution

The fourth proportional to 74,895.02, 103,307.66 and 56,950.68 is: 78,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.02 : 103,307.66 = 56,950.68 : x
  2. Step 2: Convert to fraction form
    74,895.02/103,307.66 = 56,950.68/x
  3. Step 3: Cross multiply
    74,895.02x = 103,307.66 × 56,950.68
  4. Step 4: Simplify right side
    74,895.02x = 5,883,441,886.85
  5. Step 5: Solve for x
    x = 5,883,441,886.85/74,895.02
  6. Step 6: Final answer
    x = 78,555.85

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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.