Home / 124,000.70-171,116.18-67,412.10

Finding the Fourth Proportional to 124,000.70, 171,116.18 and 67,412.10

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Solution

The fourth proportional to 124,000.70, 171,116.18 and 67,412.10 is: 93,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.70 : 171,116.18 = 67,412.10 : x
  2. Step 2: Convert to fraction form
    124,000.70/171,116.18 = 67,412.10/x
  3. Step 3: Cross multiply
    124,000.70x = 171,116.18 × 67,412.10
  4. Step 4: Simplify right side
    124,000.70x = 11,535,301,037.78
  5. Step 5: Solve for x
    x = 11,535,301,037.78/124,000.70
  6. Step 6: Final answer
    x = 93,026.10

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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.