Home / 124,077.90-171,221.67-70,358.70

Finding the Fourth Proportional to 124,077.90, 171,221.67 and 70,358.70

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Solution

The fourth proportional to 124,077.90, 171,221.67 and 70,358.70 is: 97,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,077.90 : 171,221.67 = 70,358.70 : x
  2. Step 2: Convert to fraction form
    124,077.90/171,221.67 = 70,358.70/x
  3. Step 3: Cross multiply
    124,077.90x = 171,221.67 × 70,358.70
  4. Step 4: Simplify right side
    124,077.90x = 12,046,934,113.03
  5. Step 5: Solve for x
    x = 12,046,934,113.03/124,077.90
  6. Step 6: Final answer
    x = 97,091.70

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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.