Home / 93,031.80-128,444.13-58,626.15

Finding the Fourth Proportional to 93,031.80, 128,444.13 and 58,626.15

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Solution

The fourth proportional to 93,031.80, 128,444.13 and 58,626.15 is: 80,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,031.80 : 128,444.13 = 58,626.15 : x
  2. Step 2: Convert to fraction form
    93,031.80/128,444.13 = 58,626.15/x
  3. Step 3: Cross multiply
    93,031.80x = 128,444.13 × 58,626.15
  4. Step 4: Simplify right side
    93,031.80x = 7,530,184,832.00
  5. Step 5: Solve for x
    x = 7,530,184,832.00/93,031.80
  6. Step 6: Final answer
    x = 80,942.05

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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.