Home / 113,083.35-156,057.74-61,402.63

Finding the Fourth Proportional to 113,083.35, 156,057.74 and 61,402.63

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Solution

The fourth proportional to 113,083.35, 156,057.74 and 61,402.63 is: 84,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,083.35 : 156,057.74 = 61,402.63 : x
  2. Step 2: Convert to fraction form
    113,083.35/156,057.74 = 61,402.63/x
  3. Step 3: Cross multiply
    113,083.35x = 156,057.74 × 61,402.63
  4. Step 4: Simplify right side
    113,083.35x = 9,582,354,970.70
  5. Step 5: Solve for x
    x = 9,582,354,970.70/113,083.35
  6. Step 6: Final answer
    x = 84,737.10

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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.