Home / 94,167.78-129,897.24-56,420.16

Finding the Fourth Proportional to 94,167.78, 129,897.24 and 56,420.16

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Solution

The fourth proportional to 94,167.78, 129,897.24 and 56,420.16 is: 77,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,167.78 : 129,897.24 = 56,420.16 : x
  2. Step 2: Convert to fraction form
    94,167.78/129,897.24 = 56,420.16/x
  3. Step 3: Cross multiply
    94,167.78x = 129,897.24 × 56,420.16
  4. Step 4: Simplify right side
    94,167.78x = 7,328,823,064.36
  5. Step 5: Solve for x
    x = 7,328,823,064.36/94,167.78
  6. Step 6: Final answer
    x = 77,827.29

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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.