Home / 124,807.92-172,211.04-71,091.76

Finding the Fourth Proportional to 124,807.92, 172,211.04 and 71,091.76

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Solution

The fourth proportional to 124,807.92, 172,211.04 and 71,091.76 is: 98,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,807.92 : 172,211.04 = 71,091.76 : x
  2. Step 2: Convert to fraction form
    124,807.92/172,211.04 = 71,091.76/x
  3. Step 3: Cross multiply
    124,807.92x = 172,211.04 × 71,091.76
  4. Step 4: Simplify right side
    124,807.92x = 12,242,785,925.03
  5. Step 5: Solve for x
    x = 12,242,785,925.03/124,807.92
  6. Step 6: Final answer
    x = 98,093.02

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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.