Home / 124,372.37-171,638.51-70,666.49

Finding the Fourth Proportional to 124,372.37, 171,638.51 and 70,666.49

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Solution

The fourth proportional to 124,372.37, 171,638.51 and 70,666.49 is: 97,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.37 : 171,638.51 = 70,666.49 : x
  2. Step 2: Convert to fraction form
    124,372.37/171,638.51 = 70,666.49/x
  3. Step 3: Cross multiply
    124,372.37x = 171,638.51 × 70,666.49
  4. Step 4: Simplify right side
    124,372.37x = 12,129,091,050.53
  5. Step 5: Solve for x
    x = 12,129,091,050.53/124,372.37
  6. Step 6: Final answer
    x = 97,522.39

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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.