Home / 72,900.04-100,461.18-52,721.32

Finding the Fourth Proportional to 72,900.04, 100,461.18 and 52,721.32

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Solution

The fourth proportional to 72,900.04, 100,461.18 and 52,721.32 is: 72,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,900.04 : 100,461.18 = 52,721.32 : x
  2. Step 2: Convert to fraction form
    72,900.04/100,461.18 = 52,721.32/x
  3. Step 3: Cross multiply
    72,900.04x = 100,461.18 × 52,721.32
  4. Step 4: Simplify right side
    72,900.04x = 5,296,446,018.36
  5. Step 5: Solve for x
    x = 5,296,446,018.36/72,900.04
  6. Step 6: Final answer
    x = 72,653.54

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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.