Home / 72,533.16-100,070.10-47,397.24

Finding the Fourth Proportional to 72,533.16, 100,070.10 and 47,397.24

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Solution

The fourth proportional to 72,533.16, 100,070.10 and 47,397.24 is: 65,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,533.16 : 100,070.10 = 47,397.24 : x
  2. Step 2: Convert to fraction form
    72,533.16/100,070.10 = 47,397.24/x
  3. Step 3: Cross multiply
    72,533.16x = 100,070.10 × 47,397.24
  4. Step 4: Simplify right side
    72,533.16x = 4,743,046,546.52
  5. Step 5: Solve for x
    x = 4,743,046,546.52/72,533.16
  6. Step 6: Final answer
    x = 65,391.42

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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.