Home / 61,136.64-84,368.24-34,279.12

Finding the Fourth Proportional to 61,136.64, 84,368.24 and 34,279.12

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Solution

The fourth proportional to 61,136.64, 84,368.24 and 34,279.12 is: 47,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.64 : 84,368.24 = 34,279.12 : x
  2. Step 2: Convert to fraction form
    61,136.64/84,368.24 = 34,279.12/x
  3. Step 3: Cross multiply
    61,136.64x = 84,368.24 × 34,279.12
  4. Step 4: Simplify right side
    61,136.64x = 2,892,069,023.15
  5. Step 5: Solve for x
    x = 2,892,069,023.15/61,136.64
  6. Step 6: Final answer
    x = 47,305.00

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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.