Home / 113,272.50-156,316.23-62,971.50

Finding the Fourth Proportional to 113,272.50, 156,316.23 and 62,971.50

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Solution

The fourth proportional to 113,272.50, 156,316.23 and 62,971.50 is: 86,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,272.50 : 156,316.23 = 62,971.50 : x
  2. Step 2: Convert to fraction form
    113,272.50/156,316.23 = 62,971.50/x
  3. Step 3: Cross multiply
    113,272.50x = 156,316.23 × 62,971.50
  4. Step 4: Simplify right side
    113,272.50x = 9,843,467,477.45
  5. Step 5: Solve for x
    x = 9,843,467,477.45/113,272.50
  6. Step 6: Final answer
    x = 86,900.77

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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.