Home / 72,358.26-99,856.17-40,533.63

Finding the Fourth Proportional to 72,358.26, 99,856.17 and 40,533.63

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Solution

The fourth proportional to 72,358.26, 99,856.17 and 40,533.63 is: 55,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,358.26 : 99,856.17 = 40,533.63 : x
  2. Step 2: Convert to fraction form
    72,358.26/99,856.17 = 40,533.63/x
  3. Step 3: Cross multiply
    72,358.26x = 99,856.17 × 40,533.63
  4. Step 4: Simplify right side
    72,358.26x = 4,047,533,048.00
  5. Step 5: Solve for x
    x = 4,047,533,048.00/72,358.26
  6. Step 6: Final answer
    x = 55,937.40

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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.