Home / 77,050.04-106,331.16-43,516.04

Finding the Fourth Proportional to 77,050.04, 106,331.16 and 43,516.04

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Solution

The fourth proportional to 77,050.04, 106,331.16 and 43,516.04 is: 60,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,050.04 : 106,331.16 = 43,516.04 : x
  2. Step 2: Convert to fraction form
    77,050.04/106,331.16 = 43,516.04/x
  3. Step 3: Cross multiply
    77,050.04x = 106,331.16 × 43,516.04
  4. Step 4: Simplify right side
    77,050.04x = 4,627,111,011.81
  5. Step 5: Solve for x
    x = 4,627,111,011.81/77,050.04
  6. Step 6: Final answer
    x = 60,053.32

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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.