Home / 99,885.48-149,827.19-57,738.74

Finding the Fourth Proportional to 99,885.48, 149,827.19 and 57,738.74

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Solution

The fourth proportional to 99,885.48, 149,827.19 and 57,738.74 is: 86,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,885.48 : 149,827.19 = 57,738.74 : x
  2. Step 2: Convert to fraction form
    99,885.48/149,827.19 = 57,738.74/x
  3. Step 3: Cross multiply
    99,885.48x = 149,827.19 × 57,738.74
  4. Step 4: Simplify right side
    99,885.48x = 8,650,832,973.29
  5. Step 5: Solve for x
    x = 8,650,832,973.29/99,885.48
  6. Step 6: Final answer
    x = 86,607.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.