Home / 71,809.08-99,113.04-46,614.84

Finding the Fourth Proportional to 71,809.08, 99,113.04 and 46,614.84

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Solution

The fourth proportional to 71,809.08, 99,113.04 and 46,614.84 is: 64,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,809.08 : 99,113.04 = 46,614.84 : x
  2. Step 2: Convert to fraction form
    71,809.08/99,113.04 = 46,614.84/x
  3. Step 3: Cross multiply
    71,809.08x = 99,113.04 × 46,614.84
  4. Step 4: Simplify right side
    71,809.08x = 4,620,138,501.51
  5. Step 5: Solve for x
    x = 4,620,138,501.51/71,809.08
  6. Step 6: Final answer
    x = 64,339.20

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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.