Home / 124,285.79-171,508.49-70,563.66

Finding the Fourth Proportional to 124,285.79, 171,508.49 and 70,563.66

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Solution

The fourth proportional to 124,285.79, 171,508.49 and 70,563.66 is: 97,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,285.79 : 171,508.49 = 70,563.66 : x
  2. Step 2: Convert to fraction form
    124,285.79/171,508.49 = 70,563.66/x
  3. Step 3: Cross multiply
    124,285.79x = 171,508.49 × 70,563.66
  4. Step 4: Simplify right side
    124,285.79x = 12,102,266,044.11
  5. Step 5: Solve for x
    x = 12,102,266,044.11/124,285.79
  6. Step 6: Final answer
    x = 97,374.49

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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.