Home / 94,167.02-129,896.21-56,419.40

Finding the Fourth Proportional to 94,167.02, 129,896.21 and 56,419.40

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Solution

The fourth proportional to 94,167.02, 129,896.21 and 56,419.40 is: 77,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,167.02 : 129,896.21 = 56,419.40 : x
  2. Step 2: Convert to fraction form
    94,167.02/129,896.21 = 56,419.40/x
  3. Step 3: Cross multiply
    94,167.02x = 129,896.21 × 56,419.40
  4. Step 4: Simplify right side
    94,167.02x = 7,328,665,948.38
  5. Step 5: Solve for x
    x = 7,328,665,948.38/94,167.02
  6. Step 6: Final answer
    x = 77,826.25

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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.